543 lines
14 KiB
Text
543 lines
14 KiB
Text
{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# 人工智能与机器学习-实验1\n",
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"## Part IV. Pandas库的使用\n",
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"\n",
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"|学号 |姓名 |\n",
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"|----------|--------|\n",
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"| | |\n",
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"\n",
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"本部分的实验，需要自己在网络学习相关基础函数使用。"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 1: 导入可能需要的库"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [],
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"source": [
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"import pandas as pd\n",
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"import matplotlib.pyplot as plt\n",
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"import seaborn as sns\n",
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"import numpy as np\n",
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"\n",
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"%matplotlib inline"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 2: 读取数据集"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {},
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"outputs": [],
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"source": [
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"titanic = pd.read_csv('titanic.csv')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step3: 显示数据集的前5行和后5行"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"metadata": {},
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"outputs": [],
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"source": [
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {},
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"outputs": [],
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"source": [
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 4: 该数据集有多少行和列？"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"metadata": {},
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"outputs": [],
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"source": [
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 5: 将PassengerID设置为索引"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/html": [
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"<div>\n",
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"<style scoped>\n",
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" .dataframe tbody tr th:only-of-type {\n",
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" vertical-align: middle;\n",
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" }\n",
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"\n",
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" .dataframe tbody tr th {\n",
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" vertical-align: top;\n",
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" }\n",
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"\n",
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" .dataframe thead th {\n",
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" text-align: right;\n",
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" }\n",
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"</style>\n",
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"<table border=\"1\" class=\"dataframe\">\n",
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" <thead>\n",
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" <tr style=\"text-align: right;\">\n",
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" <th></th>\n",
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" <th>Survived</th>\n",
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" <th>Pclass</th>\n",
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" <th>Name</th>\n",
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" <th>Sex</th>\n",
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" <th>Age</th>\n",
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" <th>SibSp</th>\n",
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" <th>Parch</th>\n",
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" <th>Ticket</th>\n",
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" <th>Fare</th>\n",
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" <th>Cabin</th>\n",
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" <th>Embarked</th>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>PassengerId</th>\n",
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" <th></th>\n",
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" <th></th>\n",
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" <th></th>\n",
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" <th></th>\n",
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" <th></th>\n",
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" <th></th>\n",
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" <th></th>\n",
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" <th></th>\n",
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" <th></th>\n",
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" <th></th>\n",
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" <th></th>\n",
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" </tr>\n",
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" </thead>\n",
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" <tbody>\n",
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" <tr>\n",
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" <th>1</th>\n",
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" <td>0</td>\n",
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" <td>3</td>\n",
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" <td>Braund, Mr. Owen Harris</td>\n",
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" <td>male</td>\n",
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" <td>22.0</td>\n",
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" <td>1</td>\n",
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" <td>0</td>\n",
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" <td>A/5 21171</td>\n",
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" <td>7.2500</td>\n",
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" <td>NaN</td>\n",
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" <td>S</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>2</th>\n",
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" <td>1</td>\n",
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" <td>1</td>\n",
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" <td>Cumings, Mrs. John Bradley (Florence Briggs Th...</td>\n",
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" <td>female</td>\n",
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" <td>38.0</td>\n",
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" <td>1</td>\n",
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" <td>0</td>\n",
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" <td>PC 17599</td>\n",
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" <td>71.2833</td>\n",
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" <td>C85</td>\n",
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" <td>C</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>3</th>\n",
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" <td>1</td>\n",
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" <td>3</td>\n",
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" <td>Heikkinen, Miss. Laina</td>\n",
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" <td>female</td>\n",
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" <td>26.0</td>\n",
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" <td>0</td>\n",
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" <td>0</td>\n",
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" <td>STON/O2. 3101282</td>\n",
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" <td>7.9250</td>\n",
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" <td>NaN</td>\n",
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" <td>S</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>4</th>\n",
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" <td>1</td>\n",
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" <td>1</td>\n",
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" <td>Futrelle, Mrs. Jacques Heath (Lily May Peel)</td>\n",
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" <td>female</td>\n",
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" <td>35.0</td>\n",
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" <td>1</td>\n",
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" <td>0</td>\n",
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" <td>113803</td>\n",
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" <td>53.1000</td>\n",
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" <td>C123</td>\n",
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" <td>S</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>5</th>\n",
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" <td>0</td>\n",
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" <td>3</td>\n",
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" <td>Allen, Mr. William Henry</td>\n",
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" <td>male</td>\n",
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" <td>35.0</td>\n",
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" <td>0</td>\n",
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" <td>0</td>\n",
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" <td>373450</td>\n",
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" <td>8.0500</td>\n",
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" <td>NaN</td>\n",
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" <td>S</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>...</th>\n",
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" <td>...</td>\n",
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" <td>...</td>\n",
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" <td>...</td>\n",
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" <td>...</td>\n",
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" <td>...</td>\n",
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" <td>...</td>\n",
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" <td>...</td>\n",
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" <td>...</td>\n",
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" <td>...</td>\n",
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" <td>...</td>\n",
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" <td>...</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>887</th>\n",
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" <td>0</td>\n",
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" <td>2</td>\n",
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" <td>Montvila, Rev. Juozas</td>\n",
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" <td>male</td>\n",
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" <td>27.0</td>\n",
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" <td>0</td>\n",
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" <td>0</td>\n",
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" <td>211536</td>\n",
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" <td>13.0000</td>\n",
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" <td>NaN</td>\n",
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" <td>S</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>888</th>\n",
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" <td>1</td>\n",
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" <td>1</td>\n",
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" <td>Graham, Miss. Margaret Edith</td>\n",
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" <td>female</td>\n",
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" <td>19.0</td>\n",
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" <td>0</td>\n",
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" <td>0</td>\n",
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" <td>112053</td>\n",
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" <td>30.0000</td>\n",
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" <td>B42</td>\n",
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" <td>S</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>889</th>\n",
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" <td>0</td>\n",
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" <td>3</td>\n",
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" <td>Johnston, Miss. Catherine Helen \"Carrie\"</td>\n",
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" <td>female</td>\n",
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" <td>NaN</td>\n",
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" <td>1</td>\n",
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" <td>2</td>\n",
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" <td>W./C. 6607</td>\n",
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" <td>23.4500</td>\n",
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" <td>NaN</td>\n",
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" <td>S</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>890</th>\n",
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" <td>1</td>\n",
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" <td>1</td>\n",
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" <td>Behr, Mr. Karl Howell</td>\n",
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" <td>male</td>\n",
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" <td>26.0</td>\n",
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" <td>0</td>\n",
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" <td>0</td>\n",
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" <td>111369</td>\n",
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" <td>30.0000</td>\n",
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" <td>C148</td>\n",
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" <td>C</td>\n",
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" </tr>\n",
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" <tr>\n",
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" <th>891</th>\n",
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" <td>0</td>\n",
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" <td>3</td>\n",
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" <td>Dooley, Mr. Patrick</td>\n",
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" <td>male</td>\n",
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" <td>32.0</td>\n",
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" <td>0</td>\n",
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" <td>0</td>\n",
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" <td>370376</td>\n",
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" <td>7.7500</td>\n",
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" <td>NaN</td>\n",
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" <td>Q</td>\n",
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" </tr>\n",
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" </tbody>\n",
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"</table>\n",
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"<p>891 rows × 11 columns</p>\n",
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"</div>"
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],
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"text/plain": [
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" Survived Pclass \\\n",
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"PassengerId \n",
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"1 0 3 \n",
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"2 1 1 \n",
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"3 1 3 \n",
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"4 1 1 \n",
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"5 0 3 \n",
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"... ... ... \n",
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"887 0 2 \n",
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"888 1 1 \n",
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"889 0 3 \n",
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"890 1 1 \n",
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"891 0 3 \n",
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"\n",
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" Name Sex Age \\\n",
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"PassengerId \n",
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"1 Braund, Mr. Owen Harris male 22.0 \n",
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"2 Cumings, Mrs. John Bradley (Florence Briggs Th... female 38.0 \n",
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"3 Heikkinen, Miss. Laina female 26.0 \n",
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"4 Futrelle, Mrs. Jacques Heath (Lily May Peel) female 35.0 \n",
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"5 Allen, Mr. William Henry male 35.0 \n",
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"... ... ... ... \n",
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"887 Montvila, Rev. Juozas male 27.0 \n",
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"888 Graham, Miss. Margaret Edith female 19.0 \n",
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"889 Johnston, Miss. Catherine Helen \"Carrie\" female NaN \n",
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"890 Behr, Mr. Karl Howell male 26.0 \n",
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"891 Dooley, Mr. Patrick male 32.0 \n",
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"\n",
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" SibSp Parch Ticket Fare Cabin Embarked \n",
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"PassengerId \n",
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"1 1 0 A/5 21171 7.2500 NaN S \n",
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"2 1 0 PC 17599 71.2833 C85 C \n",
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"3 0 0 STON/O2. 3101282 7.9250 NaN S \n",
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"4 1 0 113803 53.1000 C123 S \n",
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"5 0 0 373450 8.0500 NaN S \n",
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"... ... ... ... ... ... ... \n",
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"887 0 0 211536 13.0000 NaN S \n",
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"888 0 0 112053 30.0000 B42 S \n",
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"889 1 2 W./C. 6607 23.4500 NaN S \n",
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"890 0 0 111369 30.0000 C148 C \n",
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"891 0 0 370376 7.7500 NaN Q \n",
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"\n",
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"[891 rows x 11 columns]"
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]
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},
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"execution_count": 6,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"titanic.set_index('PassengerId')"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 6：数据中有缺失值吗？"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {},
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"outputs": [],
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"source": [
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 7: 乘客的最大年龄和最小年龄是多少？"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"metadata": {},
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"outputs": [],
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"source": [
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"metadata": {},
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"outputs": [],
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"source": [
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 8: 有多少人生还？"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"metadata": {},
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"outputs": [],
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"source": [
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 9: 男性和女性的生还比例分别是多少？"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"metadata": {},
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||
"outputs": [],
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"source": [
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"metadata": {},
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||
"outputs": [],
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"source": [
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 10: 按照船票价格降序排列"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"metadata": {},
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||
"outputs": [],
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||
"source": [
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 11: 绘制一个展示船票价格的直方图"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"metadata": {},
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||
"outputs": [],
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||
"source": [
|
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"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Step 12: 绘制乘客年龄与船票价格的散点图"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 15,
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||
"metadata": {},
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||
"outputs": [],
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||
"source": [
|
||
"# 请填写相应代码\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": []
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},
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{
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"cell_type": "code",
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"execution_count": null,
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||
"metadata": {},
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||
"outputs": [],
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||
"source": []
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||
},
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{
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"cell_type": "code",
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||
"execution_count": null,
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||
"metadata": {},
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||
"outputs": [],
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||
"source": []
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||
}
|
||
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