{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# yf_amazon 说明\n",
    "0. **下载地址：** [百度网盘](https://pan.baidu.com/s/1SbfpZb5cm-g2LmnYV_af8Q)\n",
    "1. **数据概览：** 52 万件商品，1100 多个类目，142 万用户，720 万条评论/评分数据\n",
    "2. **推荐实验：** 推荐系统、情感/观点/评论 倾向性分析\n",
    "2. **数据来源：** [亚马逊](https://www.amazon.cn/)\n",
    "3. **原数据集：** [JD.com E-Commerce Data](http://yongfeng.me/dataset/)，Yongfeng Zhang 教授为 WWW 2015 会议论文而搜集的数据\n",
    "4. **加工处理：**\n",
    "    1. 将全角字符转换为半角字符，并采用 UTF-8 编码\n",
    "    2. 整理成与 [MovieLens](https://grouplens.org/datasets/movielens/) 兼容的格式\n",
    "    3. 进行脱敏操作，以保护用户隐私"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "path = 'yf_amazon_文件夹_所在_路径'"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 1. products.csv"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 加载数据"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "产品数目：525619\n"
     ]
    }
   ],
   "source": [
    "products = pd.read_csv(path + 'products.csv')\n",
    "\n",
    "print('产品数目：%d' % products.shape[0])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 字段说明\n",
    "\n",
    "| 字段 | 说明 |\n",
    "| ---- | ---- |\n",
    "| productId | 产品 id (从 0 开始，连续编号) |\n",
    "| name | 产品名称 |\n",
    "| catIds | 类别 id（从 0 开始，连续编号，从左到右依次表示一级类目、二级类目、三级类目） |"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>productId</th>\n",
       "      <th>name</th>\n",
       "      <th>catIds</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>331420</th>\n",
       "      <td>331420</td>\n",
       "      <td>欧意金狐狸 女式 皮手套 QT602</td>\n",
       "      <td>802,143,996</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>130945</th>\n",
       "      <td>130945</td>\n",
       "      <td>YESO TOT 中性 单肩包/斜挎包 均码 9411</td>\n",
       "      <td>1111,864,781</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>179886</th>\n",
       "      <td>179886</td>\n",
       "      <td>李斯特论柏辽兹与舒曼</td>\n",
       "      <td>832,552,337</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>504123</th>\n",
       "      <td>504123</td>\n",
       "      <td>Tuscarora 途斯卡洛拉 中性 烈焰驰骋无缝头巾 PSU3083</td>\n",
       "      <td>1111,522,720</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>387785</th>\n",
       "      <td>387785</td>\n",
       "      <td>我们的故事:一百个北大荒老知青的人生形态</td>\n",
       "      <td>832,519,599</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>406231</th>\n",
       "      <td>406231</td>\n",
       "      <td>图读周易</td>\n",
       "      <td>832,723,724</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>199072</th>\n",
       "      <td>199072</td>\n",
       "      <td>Barbie 芭比 女童 运动休闲鞋 A22993</td>\n",
       "      <td>802,777,601</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>518528</th>\n",
       "      <td>518528</td>\n",
       "      <td>HiVi 惠威 多媒体音箱 D1080MKII 2.0声道 棕色</td>\n",
       "      <td>1057,439,1064</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>446621</th>\n",
       "      <td>446621</td>\n",
       "      <td>HALTI 男式 JUOVAJACKET 芬兰国家队系列 羽绒滑雪服 H0591922</td>\n",
       "      <td>1111,651,693</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>379960</th>\n",
       "      <td>379960</td>\n",
       "      <td>塑料回收再生术:百工百技</td>\n",
       "      <td>832,1096,509</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        productId                                         name         catIds\n",
       "331420     331420                           欧意金狐狸 女式 皮手套 QT602    802,143,996\n",
       "130945     130945                  YESO TOT 中性 单肩包/斜挎包 均码 9411   1111,864,781\n",
       "179886     179886                                   李斯特论柏辽兹与舒曼    832,552,337\n",
       "504123     504123          Tuscarora 途斯卡洛拉 中性 烈焰驰骋无缝头巾 PSU3083   1111,522,720\n",
       "387785     387785                         我们的故事:一百个北大荒老知青的人生形态    832,519,599\n",
       "406231     406231                                         图读周易    832,723,724\n",
       "199072     199072                    Barbie 芭比 女童 运动休闲鞋 A22993    802,777,601\n",
       "518528     518528             HiVi 惠威 多媒体音箱 D1080MKII 2.0声道 棕色  1057,439,1064\n",
       "446621     446621  HALTI 男式 JUOVAJACKET 芬兰国家队系列 羽绒滑雪服 H0591922   1111,651,693\n",
       "379960     379960                                 塑料回收再生术:百工百技   832,1096,509"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "products.sample(10)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 2. categories.csv"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 加载数据"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "类别数目：1175\n"
     ]
    }
   ],
   "source": [
    "categories = pd.read_csv(path + 'categories.csv')\n",
    "\n",
    "print('类别数目：%d' % categories.shape[0])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 字段说明\n",
    "\n",
    "| 字段 | 说明 |\n",
    "| ---- | ---- |\n",
    "| catId | 类别 id (从 0 开始，连续编号) |\n",
    "| category | 类别名称 |"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>catId</th>\n",
       "      <th>category</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>947</th>\n",
       "      <td>947</td>\n",
       "      <td>理发器</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>818</th>\n",
       "      <td>818</td>\n",
       "      <td>电脑硬件</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>212</th>\n",
       "      <td>212</td>\n",
       "      <td>帐篷</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>815</th>\n",
       "      <td>815</td>\n",
       "      <td>路由器/中继器</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>829</th>\n",
       "      <td>829</td>\n",
       "      <td>拉杆箱/包</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>391</th>\n",
       "      <td>391</td>\n",
       "      <td>女鞋</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>756</th>\n",
       "      <td>756</td>\n",
       "      <td>大型健身器械</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>11</td>\n",
       "      <td>其他运动器材</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>633</th>\n",
       "      <td>633</td>\n",
       "      <td>垂钓用品</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>115</th>\n",
       "      <td>115</td>\n",
       "      <td>卡通</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "     catId category\n",
       "947    947      理发器\n",
       "818    818     电脑硬件\n",
       "212    212       帐篷\n",
       "815    815  路由器/中继器\n",
       "829    829    拉杆箱/包\n",
       "391    391       女鞋\n",
       "756    756   大型健身器械\n",
       "11      11   其他运动器材\n",
       "633    633     垂钓用品\n",
       "115    115       卡通"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "categories.sample(10)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 3. ratings.csv"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 加载数据"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "用户 数目：1424596\n",
      "评分/评论 数目（总计）：7202921\n",
      "\n"
     ]
    }
   ],
   "source": [
    "pd_ratings = pd.read_csv(path+'ratings.csv')\n",
    "\n",
    "print('用户 数目：%d' % pd_ratings.userId.unique().shape[0])\n",
    "print('评分/评论 数目（总计）：%d\\n' % pd_ratings.shape[0])"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 字段说明\n",
    "\n",
    "| 字段 | 说明 |\n",
    "| ---- | ---- |\n",
    "| userId | 用户 id (从 0 开始，连续编号) |\n",
    "| productId | 即 products.csv 中的 productId |\n",
    "| rating | 评分，[1,5] 之间的整数 |\n",
    "| timestamp | 评分时间戳 |\n",
    "| title | 评论的标题 |\n",
    "| comment |  评论的内容 |"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {
    "scrolled": false
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
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       "    .dataframe tbody tr th {\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>userId</th>\n",
       "      <th>productId</th>\n",
       "      <th>rating</th>\n",
       "      <th>timestamp</th>\n",
       "      <th>title</th>\n",
       "      <th>comment</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>4287636</th>\n",
       "      <td>230944.0</td>\n",
       "      <td>394505</td>\n",
       "      <td>5.0</td>\n",
       "      <td>1393084800</td>\n",
       "      <td>赞!</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3940838</th>\n",
       "      <td>16628.0</td>\n",
       "      <td>84789</td>\n",
       "      <td>5.0</td>\n",
       "      <td>1389715200</td>\n",
       "      <td>喜欢</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4064284</th>\n",
       "      <td>325829.0</td>\n",
       "      <td>94108</td>\n",
       "      <td>3.0</td>\n",
       "      <td>1384531200</td>\n",
       "      <td>磨脚</td>\n",
       "      <td>右脚小脚趾磨掉一块皮</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4802616</th>\n",
       "      <td>586385.0</td>\n",
       "      <td>254002</td>\n",
       "      <td>5.0</td>\n",
       "      <td>1383408000</td>\n",
       "      <td>哦~</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>292946</th>\n",
       "      <td>842028.0</td>\n",
       "      <td>231449</td>\n",
       "      <td>5.0</td>\n",
       "      <td>1369324800</td>\n",
       "      <td>致我们终将逝去的青春</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2306551</th>\n",
       "      <td>933226.0</td>\n",
       "      <td>219015</td>\n",
       "      <td>4.0</td>\n",
       "      <td>1341763200</td>\n",
       "      <td>有点大 不过很漂亮</td>\n",
       "      <td>外观很精致的说 就是外形有点偏大</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1707442</th>\n",
       "      <td>402851.0</td>\n",
       "      <td>228321</td>\n",
       "      <td>5.0</td>\n",
       "      <td>1374076800</td>\n",
       "      <td>给宝宝讲讲挺好的,内容简单,便于宝宝理解。</td>\n",
       "      <td>给宝宝讲讲挺好的,内容简单,便于宝宝理解。</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3641724</th>\n",
       "      <td>123473.0</td>\n",
       "      <td>515623</td>\n",
       "      <td>4.0</td>\n",
       "      <td>1305475200</td>\n",
       "      <td>书很好,但居然没有包装!?!?!?</td>\n",
       "      <td>书很好,但居然没有包装!?!?!?这么好的书却没有包装!?!?!?</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1921912</th>\n",
       "      <td>435946.0</td>\n",
       "      <td>63238</td>\n",
       "      <td>4.0</td>\n",
       "      <td>1357228800</td>\n",
       "      <td>嗯</td>\n",
       "      <td>NaN</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1475151</th>\n",
       "      <td>1612.0</td>\n",
       "      <td>139044</td>\n",
       "      <td>4.0</td>\n",
       "      <td>1316102400</td>\n",
       "      <td>一般</td>\n",
       "      <td>香味没有前面评价那么香,就是普通的爽肤水,有点黏黏的</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "           userId  productId  rating   timestamp                  title  \\\n",
       "4287636  230944.0     394505     5.0  1393084800                     赞!   \n",
       "3940838   16628.0      84789     5.0  1389715200                     喜欢   \n",
       "4064284  325829.0      94108     3.0  1384531200                     磨脚   \n",
       "4802616  586385.0     254002     5.0  1383408000                     哦~   \n",
       "292946   842028.0     231449     5.0  1369324800             致我们终将逝去的青春   \n",
       "2306551  933226.0     219015     4.0  1341763200              有点大 不过很漂亮   \n",
       "1707442  402851.0     228321     5.0  1374076800  给宝宝讲讲挺好的,内容简单,便于宝宝理解。   \n",
       "3641724  123473.0     515623     4.0  1305475200      书很好,但居然没有包装!?!?!?   \n",
       "1921912  435946.0      63238     4.0  1357228800                      嗯   \n",
       "1475151    1612.0     139044     4.0  1316102400                     一般   \n",
       "\n",
       "                                   comment  \n",
       "4287636                                NaN  \n",
       "3940838                                NaN  \n",
       "4064284                         右脚小脚趾磨掉一块皮  \n",
       "4802616                                NaN  \n",
       "292946                                 NaN  \n",
       "2306551                   外观很精致的说 就是外形有点偏大  \n",
       "1707442              给宝宝讲讲挺好的,内容简单,便于宝宝理解。  \n",
       "3641724  书很好,但居然没有包装!?!?!?这么好的书却没有包装!?!?!?  \n",
       "1921912                                NaN  \n",
       "1475151         香味没有前面评价那么香,就是普通的爽肤水,有点黏黏的  "
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "pd_ratings.sample(10)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# 4. links.csv"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 加载数据"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "links = pd.read_csv(path + 'links.csv')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 字段说明\n",
    "\n",
    "| 字段 | 说明 |\n",
    "| ---- | ---- |\n",
    "| productId | 即 products.csv 和 ratings.csv 中的 productId |\n",
    "| amazonId | 亚马逊的产品编号 |"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>productId</th>\n",
       "      <th>amazonId</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>436251</th>\n",
       "      <td>436251</td>\n",
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       "      <th>194578</th>\n",
       "      <td>194578</td>\n",
       "      <td>B00GICSVUK</td>\n",
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       "      <td>311842</td>\n",
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       "      <td>258363</td>\n",
       "      <td>0805092919</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>308642</th>\n",
       "      <td>308642</td>\n",
       "      <td>B0079WMXT8</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>232740</th>\n",
       "      <td>232740</td>\n",
       "      <td>B0018HKRAW</td>\n",
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       "      <th>335318</th>\n",
       "      <td>335318</td>\n",
       "      <td>B00840LWKU</td>\n",
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       "    <tr>\n",
       "      <th>497048</th>\n",
       "      <td>497048</td>\n",
       "      <td>B003ZI61RA</td>\n",
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       "    <tr>\n",
       "      <th>388969</th>\n",
       "      <td>388969</td>\n",
       "      <td>B00BIUYL06</td>\n",
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       "    <tr>\n",
       "      <th>10448</th>\n",
       "      <td>10448</td>\n",
       "      <td>B00GMZ9DKK</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>75752</th>\n",
       "      <td>75752</td>\n",
       "      <td>B002R0DNB4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>392345</th>\n",
       "      <td>392345</td>\n",
       "      <td>B0041IY7CE</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "        productId    amazonId\n",
       "436251     436251  B00F91KYGK\n",
       "194578     194578  B00GICSVUK\n",
       "336998     336998  B00GMKUNBI\n",
       "371924     371924  B008RIA4AS\n",
       "433617     433617  B00332FJ7Q\n",
       "236918     236918  060614479X\n",
       "388158     388158  B008TI5V2C\n",
       "479855     479855  B002NSML6I\n",
       "311842     311842  B001DTWV2C\n",
       "445227     445227  B0055PT83U\n",
       "360465     360465  B005UTT2QY\n",
       "258363     258363  0805092919\n",
       "308642     308642  B0079WMXT8\n",
       "232740     232740  B0018HKRAW\n",
       "335318     335318  B00840LWKU\n",
       "497048     497048  B003ZI61RA\n",
       "388969     388969  B00BIUYL06\n",
       "10448       10448  B00GMZ9DKK\n",
       "75752       75752  B002R0DNB4\n",
       "392345     392345  B0041IY7CE"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "links.sample(20)"
   ]
  }
 ],
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