{"id":686,"date":"2021-01-13T10:23:00","date_gmt":"2021-01-13T02:23:00","guid":{"rendered":"https:\/\/yc-note.com\/?p=686"},"modified":"2021-01-13T22:24:17","modified_gmt":"2021-01-13T14:24:17","slug":"pandas-dataframe","status":"publish","type":"post","link":"https:\/\/yc-note.com\/python\/pandas-dataframe\/","title":{"rendered":"Pandas DataFrame\u7528\u6cd5\uff5cPython Pandas\u4e2d\u7684\u300c\u96d9\u7dad\u5ea6\u8cc7\u6599\u300d\u3010Python\u7df4\u7fd2Day17\u3011"},"content":{"rendered":"\n<p>\u5b78\u5b8c\u4e86<a href=\"https:\/\/yc-note.com\/python\/pandas-series\/\" class=\"rank-math-link\">Pandas Series<\/a>\u4ee5\u5f8c\uff0c\u63a5\u8457\u662f\u5b78\u7fd2Pandas\u5957\u4ef6\u4e2d\u7684\u7b2c\u4e8c\u7a2e\u8cc7\u6599\u578b\u614b\u300c<a href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/\" class=\"rank-math-link\">DataFrame<\/a>\u300d\uff0c\u6709\u9ede\u985e\u4f3c\u65bcExecl\u7684\u8868\u683c\u6982\u5ff5\uff0c\u80fd\u540c\u6642\u5132\u5b58\uff3b\u6b04]\u548c[\u5217]\u7684\u8cc7\u6599\u3002\u9019\u908a\u662fPandas DataFrame\u7684\u4e00\u4e9b\u57fa\u672c\u7528\u6cd5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" width=\"2240\" height=\"1260\" src=\"https:\/\/yc-note.com\/wp-content\/uploads\/2021\/01\/Python-2.jpg\" alt=\"\" class=\"wp-image-729\" srcset=\"https:\/\/yc-note.com\/wp-content\/uploads\/2021\/01\/Python-2.jpg 2240w, https:\/\/yc-note.com\/wp-content\/uploads\/2021\/01\/Python-2-768x432.jpg 768w, https:\/\/yc-note.com\/wp-content\/uploads\/2021\/01\/Python-2-1536x864.jpg 1536w, https:\/\/yc-note.com\/wp-content\/uploads\/2021\/01\/Python-2-2048x1152.jpg 2048w, https:\/\/yc-note.com\/wp-content\/uploads\/2021\/01\/Python-2-1600x900.jpg 1600w\" sizes=\"(max-width: 2240px) 100vw, 2240px\" title=\"\"><\/figure>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1610546162729\" class=\"rank-math-list-item\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_52 counter-hierarchy ez-toc-counter ez-toc-black ez-toc-container-direction\">\n<p class=\"ez-toc-title\">\u672c\u7bc7\u6587\u7ae0\u5167\u5bb9<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-64d9e3c8d4326\"><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-64d9e3c8d4326\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E4%BB%80%E9%BA%BC%E6%98%AFDataFrame\" title=\"\u4ec0\u9ebc\u662fDataFrame?\">\u4ec0\u9ebc\u662fDataFrame?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E6%80%8E%E9%BA%BC%E5%89%B5%E5%BB%BAPandas_DataFrame\" title=\"\u600e\u9ebc\u5275\u5efaPandas DataFrame?\">\u600e\u9ebc\u5275\u5efaPandas DataFrame?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#DataFrame%E5%92%8CSeries%E5%B7%AE%E5%88%A5\" title=\"DataFrame\u548cSeries\u5dee\u5225\">DataFrame\u548cSeries\u5dee\u5225<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E5%AE%89%E8%A3%9DPython_Pandas%E5%A5%97%E4%BB%B6\" title=\"\u5b89\u88ddPython Pandas\u5957\u4ef6\">\u5b89\u88ddPython Pandas\u5957\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#Python_DataFrame%E4%BB%8B%E7%B4%B9\" title=\"Python DataFrame\u4ecb\u7d39\">Python DataFrame\u4ecb\u7d39<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E9%9B%99%E7%B6%AD%E5%BA%A6%E8%B3%87%E6%96%99\" title=\"\u96d9\u7dad\u5ea6\u8cc7\u6599\">\u96d9\u7dad\u5ea6\u8cc7\u6599<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E8%B3%87%E6%96%99%E7%B4%A2%E5%BC%95\" title=\"\u8cc7\u6599\u7d22\u5f15\">\u8cc7\u6599\u7d22\u5f15<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#DataFrame%E7%94%A8%E6%B3%95\" title=\"DataFrame\u7528\u6cd5\">DataFrame\u7528\u6cd5<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#DataFrame%E7%94%A8%E6%B3%95%E7%B7%B4%E7%BF%92\" title=\"DataFrame\u7528\u6cd5\u7df4\u7fd2\">DataFrame\u7528\u6cd5\u7df4\u7fd2<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E5%BB%BA%E7%AB%8BDataFrame\" title=\"\u5efa\u7acbDataFrame\">\u5efa\u7acbDataFrame<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E8%A7%80%E5%AF%9F%E8%B3%87%E6%96%99\" title=\"\u89c0\u5bdf\u8cc7\u6599\">\u89c0\u5bdf\u8cc7\u6599<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E5%8F%96%E5%BE%97%E8%B3%87%E6%96%99\" title=\"\u53d6\u5f97\u8cc7\u6599\">\u53d6\u5f97\u8cc7\u6599<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E5%A2%9E%E5%8A%A0%E8%B3%87%E6%96%99\" title=\"\u589e\u52a0\u8cc7\u6599\">\u589e\u52a0\u8cc7\u6599<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E6%9C%AC%E6%AC%A1%E7%B7%B4%E7%BF%92%E6%AA%94%E8%88%87%E5%BD%B1%E7%89%87\" title=\"\u672c\u6b21\u7df4\u7fd2\u6a94\u8207\u5f71\u7247\">\u672c\u6b21\u7df4\u7fd2\u6a94\u8207\u5f71\u7247<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/yc-note.com\/python\/pandas-dataframe\/#%E3%80%90Python%E6%96%B0%E6%89%8B%E7%B7%B4%E7%BF%92%E3%80%91%E7%9B%B8%E9%97%9C%E6%96%87%E7%AB%A0\" title=\"\u3010Python\u65b0\u624b\u7df4\u7fd2\u3011\u76f8\u95dc\u6587\u7ae0\">\u3010Python\u65b0\u624b\u7df4\u7fd2\u3011\u76f8\u95dc\u6587\u7ae0<\/a><\/li><\/ul><\/nav><\/div>\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"%E4%BB%80%E9%BA%BC%E6%98%AFDataFrame\"><\/span>\u4ec0\u9ebc\u662fDataFrame?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>DataFrame\u662fPandas\u5957\u4ef6\u4e2d\uff0c\u6700\u91cd\u8981\u7684\u5143\u7d20\u4e4b\u4e00\uff0c\u662f\u4e00\u7a2e\u300c\u96d9\u7dad\u5ea6\u8cc7\u6599\u300d\uff0c\u53ef\u4ee5\u540c\u6642\u5132\u5b58\u300c\u6b04\u300d\u548c\u300c\u5217\u300d\u3002<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1610546168958\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"%E6%80%8E%E9%BA%BC%E5%89%B5%E5%BB%BAPandas_DataFrame\"><\/span>\u600e\u9ebc\u5275\u5efaPandas DataFrame?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>import pandas as pd<br \/>\u5efa\u7acbDataFrame-pd.DataFrame([\u5b57\u5178,\u7d22\u5f15\u5217\u8868])<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1610546193466\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><span class=\"ez-toc-section\" id=\"DataFrame%E5%92%8CSeries%E5%B7%AE%E5%88%A5\"><\/span>DataFrame\u548cSeries\u5dee\u5225<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Series\u70ba\u4e00\u6b04\u4e00\u6b04\u7684\u300c\u55ae\u7dad\u5ea6\u8cc7\u6599\u300d\uff0c\u800cDataFrame\u5247\u662f\u7531\u5169\u500b\u4ee5\u4e0a\u7684Series\u7d44\u6210\u7684\u300c\u96d9\u7dad\u5ea6\u8cc7\u6599\u300d\u3002<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%AE%89%E8%A3%9DPython_Pandas%E5%A5%97%E4%BB%B6\"><\/span>\u5b89\u88ddPython Pandas\u5957\u4ef6<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u7b2c\u4e00\u6b21\u4f7f\u7528Pandas\uff0c\u8981\u5148\u5b89\u88ddPython Pandas\u5957\u4ef6\uff0c\u5728Google Colab\uff0c\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u5373\u53ef\u5b89\u88dd\u3002<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;lesser-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;!pip\\u00a0install\\u00a0pandasPython&quot;,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">!pip install pandas<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">\u5b89\u88dd\u5b8c\u6210<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;duotone-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">Requirement already satisfied: pandas in \/usr\/local\/lib\/python3.6\/dist-packages (1.1.5)\nRequirement already satisfied: numpy&gt;=1.15.4 in \/usr\/local\/lib\/python3.6\/dist-packages (from pandas) (1.19.5)\nRequirement already satisfied: python-dateutil&gt;=2.7.3 in \/usr\/local\/lib\/python3.6\/dist-packages (from pandas) (2.8.1)\nRequirement already satisfied: pytz&gt;=2017.2 in \/usr\/local\/lib\/python3.6\/dist-packages (from pandas) (2018.9)\nRequirement already satisfied: six&gt;=1.5 in \/usr\/local\/lib\/python3.6\/dist-packages (from python-dateutil&gt;=2.7.3-&gt;pandas) (1.15.0)<\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Python_DataFrame%E4%BB%8B%E7%B4%B9\"><\/span>Python DataFrame\u4ecb\u7d39<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%9B%99%E7%B6%AD%E5%BA%A6%E8%B3%87%E6%96%99\"><\/span>\u96d9\u7dad\u5ea6\u8cc7\u6599<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>DataFrame\u662fPandas\u4e2d\u5448\u73fe\u300c\u96d9\u7dad\u5ea6\u8cc7\u6599\u300d\u7684\u578b\u614b\uff0c\u5c31\u50cf\u4e00\u500b\u8868\u683c\uff0c\u6709\u300c\u6b04\u300d\u548c\u300c\u5217\u300d\u7684\u6982\u5ff5\uff0c\u53ef\u4ee5\u60f3\u50cf\u6210excel\uff0c\u76f4\u7684\u70ba\u6b04\uff0c\u6a6b\u7684\u70ba\u5217\uff0c\u7528\u4f86\u5132\u5b58\u5927\u91cf\u8cc7\u6599\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%B3%87%E6%96%99%E7%B4%A2%E5%BC%95\"><\/span>\u8cc7\u6599\u7d22\u5f15<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u8cc7\u6599\u7684\u7684\u6700\u5de6\u908a\u662f\u7368\u7acb\u7de8\u865f\uff0c\u7a31\u4e4b\u70ba\u8cc7\u6599\u7d22\u5f15\uff0c\u5982\u679c\u6c92\u6709\u7279\u5225\u8a2d\u5b9a\u7684\u8a71\uff0c\u9810\u8a2d\u70ba\u6578\u5b57\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DataFrame%E7%94%A8%E6%B3%95\"><\/span>DataFrame\u7528\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u9019\u908a\u6587\u7ae0\u6703\u7df4\u7fd2\u5e7e\u500bDataFrame\u7684\u57fa\u672c\u7528\u6cd5\u3002<\/p>\n\n\n\n<ul><li>\u89c0\u5bdf\u8cc7\u6599\uff1a\u89c0\u5bdf\u8cc7\u6599\u7684\u5927\u5c0f\u3001\u6578\u91cf\u3002<\/li><li>\u53d6\u5f97\u8cc7\u6599\uff1a\u53d6\u5f97\u7279\u5b9a\u6b04\u4f4d\u7684\u8cc7\u6599\u3002<\/li><li>\u589e\u52a0\u8cc7\u6599\uff1a\u589e\u52a0\u6b04\u4f4d\u7684\u65b9\u6cd5\u3002<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"DataFrame%E7%94%A8%E6%B3%95%E7%B7%B4%E7%BF%92\"><\/span>DataFrame\u7528\u6cd5\u7df4\u7fd2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%BB%BA%E7%AB%8BDataFrame\"><\/span>\u5efa\u7acbDataFrame<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;lesser-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">import pandas as pd\n#\u5efa\u7acbDataFrame-pd.DataFrame([\u5b57\u5178,\u7d22\u5f15\u5217\u8868])\ndata=pd.DataFrame({\n    &quot;name&quot;:[&quot;Amy&quot;,&quot;John&quot;,&quot;Bob&quot;],\n    &quot;salary&quot;:[30000,50000,40000]\n},index=[&quot;a&quot;,&quot;b&quot;,&quot;c&quot;]\n)<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"re\">\u57f7\u884c\u7d50\u679c<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;duotone-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">name\tsalary\na\tAmy\t30000\nb\tJohn\t50000\nc\tBob\t40000<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%A7%80%E5%AF%9F%E8%B3%87%E6%96%99\"><\/span>\u89c0\u5bdf\u8cc7\u6599<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u56de\u50b3\u8cc7\u6599\u6578\u91cf\u53ef\u4ee5\u4f7f\u7528(size)\uff0c\u5982\u679c\u8981\u5206\u5225\u7372\u5f97\u5217&amp;\u6b04\u8cc7\u6599\uff0c\u5247\u4f7f\u7528(shape)\u3002<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;lesser-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">print(&quot;\u8cc7\u6599\u6578\u91cf:&quot;,data.size) #\u7372\u5f97\u8cc7\u6599\u6578\u91cf\nprint(&quot;\u8cc7\u6599\u5f62\u72c0(\u5217,\u6b04):&quot;,data.shape) #\u7372\u5f97\u8cc7\u6599\u5f62\u72c0<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"re\">\u57f7\u884c\u7d50\u679c<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;duotone-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">\u8cc7\u6599\u6578\u91cf: 6\n\u8cc7\u6599\u5f62\u72c0(\u5217,\u6b04): (3, 2)<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%96%E5%BE%97%E8%B3%87%E6%96%99\"><\/span>\u53d6\u5f97\u8cc7\u6599<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u91dd\u5c0dDataFrame\uff0c\u53d6\u5f97\u6307\u5b9a\uff3b\u5217\uff3d\u3001\u6307\u5b9a\uff3b\u7d22\u5f15\uff3d\u3001\uff3b\u6307\u5b9a\u6b04\u4f4d\u540d\u7a31\uff3d\u7684\u8cc7\u6599\u3002<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;lesser-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">#\u53d6\u5f97\u8cc7\u6599\n#\u53d6\u5f97\u300c\u5217\u300d(Row)\u8cc7\u6599\nprint(&quot;\u53d6\u5f97\u7b2c2\u5217:&quot;,data.iloc[1])\n#\u53d6\u5f97\u7d22\u5f15\uff0dloc[\u7d22\u5f15]\nprint(&quot;\u53d6\u5f97\u7b2cc\u5217&quot;,data.loc[&quot;c&quot;])\n#\u53d6\u5f97\u6b04\u8cc7\u6599([\u6b04\u4f4d\u540d\u7a31] #Series\u578b\u614b\nprint(&quot;\u53d6\u5f97\u6b04\u4f4dname\uff1a&quot;,data[&quot;name&quot;])<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"re\">\u57f7\u884c\u7d50\u679c<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;duotone-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">\u53d6\u5f97\u7b2c2\u5217: name       John\nsalary    50000\nName: b, dtype: object\n\u53d6\u5f97\u7b2cc\u5217 name        Bob\nsalary    40000\nName: c, dtype: object\n\u53d6\u5f97\u6b04\u4f4dname\uff1a a     Amy\nb    John\nc     Bob\nName: name, dtype: object<\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%A2%9E%E5%8A%A0%E8%B3%87%E6%96%99\"><\/span>\u589e\u52a0\u8cc7\u6599<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5728DataFrame\u4e2d\uff0c\u5982\u679c\u8981\u589e\u52a0\u65b0\u7684\u4e00\u6b04\uff0c\u76f4\u63a5\u653e\u5165\u4e00\u500bSeries\u578b\u614b\u5373\u53ef\uff0c\u4e0b\u9762\u7df4\u7fd2\u5206\u5225\u589e\u52a0\u6b04\u4f4d\uff1a\u4f9d\u5e8f\u653e\u5165\u8cc7\u6599\u3001\u6307\u5b9a\u9806\u5e8f\u653e\u5165\u8cc7\u6599\u3001\u91dd\u5c0d\u73fe\u6709\u8cc7\u6599\u904b\u7b97\u5f8c\u653e\u5165\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u589e\u52a0\u4e00\u6b04rev(\u4f9d\u5e8f\u653e\u5165\u8cc7\u6599)<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;lesser-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;data[\\&quot;rev\\&quot;]=[50000,40000,30000]\\u00a0#\\u52a0\\u4e00\\u6b04&lt;br&gt;print(data)Python&quot;,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">data[&quot;rev&quot;]=[50000,40000,30000] #\u52a0\u4e00\u6b04\nprint(data)<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"re\">\u57f7\u884c\u7d50\u679c<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;lesser-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">   name  salary    rev  \na   Amy   30000  50000  \nb  John   50000  40000     \nc   Bob   40000  30000    <\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">\u589e\u52a0\u4e00\u6b04rank(\u6309\u7167\u6307\u5b9a\u9806\u5e8f\u653e\u5165\u8cc7\u6599)<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;lesser-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;&lt;br&gt;Python&quot;,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">data[&quot;rank&quot;]=pd.Series([3,1,2],index=(&quot;a&quot;,&quot;b&quot;,&quot;c&quot;))\nprint(data)<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"re\">\u57f7\u884c\u7d50\u679c<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;duotone-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;fileName&quot;:&quot;name salary rev rank cp a Amy 30000 50000 3 1.666667 b John 50000 40000 1 0.800000 c Bob 40000 30000 2 0.750000Python&quot;,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">   name  salary    rev  rank    \na   Amy   30000  50000     3  \nb  John   50000  40000     1 \nc   Bob   40000  30000     2  <\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">\u589e\u52a0\u4e00\u6b04cp(\u8a08\u7b97rev\/salary)<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;lesser-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">data[&quot;cp&quot;]=data[&quot;rev&quot;]\/data[&quot;salary&quot;]\nprint(data)<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"re\">\u57f7\u884c\u7d50\u679c<\/h4>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre class=\"CodeMirror\" data-setting=\"{&quot;mode&quot;:&quot;python&quot;,&quot;mime&quot;:&quot;text\/x-python&quot;,&quot;theme&quot;:&quot;duotone-dark&quot;,&quot;lineNumbers&quot;:true,&quot;styleActiveLine&quot;:false,&quot;lineWrapping&quot;:false,&quot;readOnly&quot;:true,&quot;language&quot;:&quot;Python&quot;,&quot;modeName&quot;:&quot;python&quot;}\">   name  salary    rev  rank        cp\na   Amy   30000  50000     3  1.666667\nb  John   50000  40000     1  0.800000\nc   Bob   40000  30000     2  0.750000<\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%9C%AC%E6%AC%A1%E7%B7%B4%E7%BF%92%E6%AA%94%E8%88%87%E5%BD%B1%E7%89%87\"><\/span>\u672c\u6b21\u7df4\u7fd2\u6a94\u8207\u5f71\u7247<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u7df4\u7fd2\u6a94\uff1a<a href=\"https:\/\/www.youtube.com\/watch?v=Krj-50BNo9E&amp;t=624s\" class=\"rank-math-link\" target=\"_blank\" rel=\"noopener\">Python Pandas \u8cc7\u6599\u5206\u6790 &#8211; DataFrame \u96d9\u7dad\u5ea6\u8cc7\u6599<\/a><br>\u5f71\u7247\uff1a<a href=\"https:\/\/colab.research.google.com\/drive\/1hTOoJ5ljCs2au5q1ifLxYJ8SN0rzPVKl?usp=sharing\" class=\"rank-math-link\" target=\"_blank\" rel=\"noopener\">Day17(1\/11)Pandas DataFrame\uff5cPython Pandas\u4e2d\u7684\u300c\u96d9\u7dad\u5ea6\u8cc7\u6599\u300d<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%80%90Python%E6%96%B0%E6%89%8B%E7%B7%B4%E7%BF%92%E3%80%91%E7%9B%B8%E9%97%9C%E6%96%87%E7%AB%A0\"><\/span>\u3010Python\u65b0\u624b\u7df4\u7fd2\u3011\u76f8\u95dc\u6587\u7ae0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<p>\u3010Python\u65b0\u624b\u7df4\u7fd2\u3011\u7cfb\u5217\u6587\uff0c\u662f\u4e00\u500b<strong>\u884c\u92b7\u4eba\u5b78\u7fd2Python<\/strong>\u7684\u7b46\u8a18\uff0c\u5e0c\u671b\u53ef\u4ee5\u85c9\u7531\u7df4\u7fd2\u7a0b\u5f0f\uff0c\u8a13\u7df4\u66f4\u5f37\u5927\u7684\u908f\u8f2f\u601d\u8003\uff0c\u5982\u679c\u4f60\u4e5f\u5c0d\u9019\u584a\u6709\u8208\u8da3\uff0c\u9019\u4e9b\u6587\u7ae0\u6216\u8a31\u53ef\u4ee5\u5e6b\u52a9\u5230\u4f60\uff01\u4e5f\u6b61\u8fce\u4e00\u8d77\u4ea4\u6d41\u3002<\/p>\n\n\n\n<p><a rel=\"noreferrer noopener\" href=\"https:\/\/yc-note.com\/python\/python\/\" target=\"_blank\">\u884c\u92b7\u4eba\u7684Python\u7df4\u7fd290\u8a08\u756b-\u70ba\u4ec0\u9ebc\u8981\u5b78Python\uff1f<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/yc-note.com\/python\/google-colab-python\/\" target=\"_blank\">Day0\uff1aGoogle Colab\u65b0\u624bPython\u958b\u767c\u74b0\u5883\u63a8\u85a6<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/yc-note.com\/digital-marketing\/seo\/python-2\/\" data-type=\"URL\" data-id=\"https:\/\/yc-note.com\/digital-marketing\/seo\/python-2\/\" target=\"_blank\">Day1\uff1aPython\u8b8a\u6578\u8207\u8cc7\u6599\u578b\u614b<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/yc-note.com\/digital-marketing\/seo\/%e3%80%90%e6%96%b0%e6%89%8bpython%e7%b7%b4%e7%bf%92%e3%80%91day2%ef%bc%9apython%e5%88%a4%e6%96%b7%e5%bc%8f%e8%88%87%e8%bf%b4%e5%9c%88%e6%b5%81%e7%a8%8b%e6%8e%a7%e5%88%b6\/\" data-type=\"URL\" data-id=\"https:\/\/yc-note.com\/digital-marketing\/seo\/%e3%80%90%e6%96%b0%e6%89%8bpython%e7%b7%b4%e7%bf%92%e3%80%91day2%ef%bc%9apython%e5%88%a4%e6%96%b7%e5%bc%8f%e8%88%87%e8%bf%b4%e5%9c%88%e6%b5%81%e7%a8%8b%e6%8e%a7%e5%88%b6\/\" target=\"_blank\">Day2\uff1aPython\u5224\u65b7\u5f0f\u8207\u8ff4\u5708(\u6d41\u7a0b\u63a7\u5236)<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/yc-note.com\/digital-marketing\/seo\/python-3\/\" data-type=\"URL\" data-id=\"https:\/\/yc-note.com\/digital-marketing\/seo\/python-3\/\" target=\"_blank\">Day3\uff1aPython\u51fd\u5f0f \u5b9a\u7fa9\u3001\u547c\u53eb\u8207\u56de\u50b3<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/yc-note.com\/python\/%e3%80%90%e6%96%b0%e6%89%8bpython%e7%b7%b4%e7%bf%92%e3%80%91day4%e8%bc%89%e5%85%a5python%e6%a8%a1%e7%b5%84%e8%88%87%e4%bd%bf%e7%94%a8\/\" data-type=\"URL\" data-id=\"https:\/\/yc-note.com\/python\/%e3%80%90%e6%96%b0%e6%89%8bpython%e7%b7%b4%e7%bf%92%e3%80%91day4%e8%bc%89%e5%85%a5python%e6%a8%a1%e7%b5%84%e8%88%87%e4%bd%bf%e7%94%a8\/\" target=\"_blank\">Day4\uff1a\u8f09\u5165Python\u6a21\u7d44\u8207\u4f7f\u7528<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/yc-note.com\/python\/%e3%80%90%e6%96%b0%e6%89%8bpython%e7%b7%b4%e7%bf%92%e3%80%91day512-4python%e6%aa%94%e6%a1%88%e8%ae%80%e5%8f%96%e5%92%8c%e5%84%b2%e5%ad%98\/\" data-type=\"URL\" data-id=\"https:\/\/yc-note.com\/python\/%e3%80%90%e6%96%b0%e6%89%8bpython%e7%b7%b4%e7%bf%92%e3%80%91day512-4python%e6%aa%94%e6%a1%88%e8%ae%80%e5%8f%96%e5%92%8c%e5%84%b2%e5%ad%98\/\" target=\"_blank\">Day5\uff1aPython\u6a94\u6848\u8b80\u53d6\u548c\u5132\u5b58<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/yc-note.com\/python\/%e3%80%90%e6%96%b0%e6%89%8bpython%e7%b7%b4%e7%bf%92%e3%80%91day6%ef%bc%9apython%e4%ba%82%e6%95%b8%e8%88%87%e7%b5%b1%e8%a8%88\/\" data-type=\"URL\" data-id=\"https:\/\/yc-note.com\/python\/%e3%80%90%e6%96%b0%e6%89%8bpython%e7%b7%b4%e7%bf%92%e3%80%91day6%ef%bc%9apython%e4%ba%82%e6%95%b8%e8%88%87%e7%b5%b1%e8%a8%88\/\" target=\"_blank\">Day6\uff1aPython\u4e82\u6578\u8207\u7d71\u8a08<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/yc-note.com\/python\/pythonday7python-api\/\" data-type=\"URL\" data-id=\"https:\/\/yc-note.com\/python\/pythonday7python-api\/\" target=\"_blank\">Day7\uff1aPython API \u958b\u653e\u8cc7\u6599\u4e32\u63a5\uff0c\u6293\u53d6\u53f0\u5317\u5e02\u653f\u5e9c\u516c\u958b\u8cc7\u6599<\/a><a href=\"https:\/\/yc-note.com\/python\/pythonday7python-api\/\">\uff01<\/a><br><a rel=\"noreferrer noopener\" href=\"https:\/\/yc-note.com\/python\/python-4\/\" data-type=\"URL\" data-id=\"https:\/\/yc-note.com\/python\/python-4\/\" target=\"_blank\">Day8\uff1aPython\u5be6\u9ad4\u7269\u4ef6\u5efa\u7acb\u8207\u4f7f\u7528<\/a><br><a href=\"https:\/\/yc-note.com\/python\/python-5\/\" data-type=\"URL\" data-id=\"https:\/\/yc-note.com\/python\/python-5\/\" target=\"_blank\" rel=\"noreferrer noopener\">Day9\uff1aPython\u722c\u87f2\u5be6\u6230\uff01\u6293\u53d6PTT\u96fb\u5f71\u7248<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u5b8c\u4e86Pandas Series\u4ee5\u5f8c\uff0c\u63a5\u8457\u662f\u5b78\u7fd2Pandas\u5957\u4ef6\u4e2d\u7684\u7b2c\u4e8c\u7a2e\u8cc7\u6599\u578b\u614b\u300cDataFrame\u300d\uff0c\u6709\u9ede\u985e\u4f3c\u65bcExecl\u7684\u8868\u683c\u6982\u5ff5\uff0c\u80fd\u540c\u6642\u5132\u5b58\uff3b\u6b04]\u548c[\u5217]\u7684\u8cc7\u6599\u3002\u9019\u908a\u662fPandas 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