{"id":63,"date":"2019-12-25T22:00:09","date_gmt":"2019-12-25T13:00:09","guid":{"rendered":"https:\/\/obgyn.jp\/?p=63"},"modified":"2022-03-13T19:52:54","modified_gmt":"2022-03-13T10:52:54","slug":"describe","status":"publish","type":"post","link":"https:\/\/obgyn.jp\/?p=63","title":{"rendered":"Python \u306b\u3088\u308b\u57fa\u672c\u7d71\u8a08\u91cf\u306e\u8a08\u7b97"},"content":{"rendered":"\n<p><a href=\"https:\/\/pandas.pydata.org\/pandas-docs\/stable\/reference\/api\/pandas.DataFrame.describe.html\" rel=\"noopener noreferrer\" target=\"_blank\">pandas.DataFrame.describe()<\/a> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3044\u3001\u5e73\u5747\u3084\u6a19\u6e96\u504f\u5dee\u306a\u3069\u306e\u57fa\u672c\u7d71\u8a08\u91cf\u3092\u8a08\u7b97\u3059\u308b\u3002<\/p>\n\n\n\n<p>Python \u3092\u8d77\u52d5\u3057\u3001pandas \u3092 import \u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import pandas as pd<\/pre>\n\n\n\n<p>\u901a\u5e38\u306f Excel \u7b49\u3067\u4f5c\u6210\u3057\u305f CSV \u30d5\u30a1\u30a4\u30eb\u3092 pandas \u306b\u8aad\u307f\u8fbc\u3093\u3067\u5206\u6790\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u3053\u3053\u3067\u306f\u4fbf\u5b9c\u7684\u306b\u4ee5\u4e0b\u306e\u7c21\u5358\u306a\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3092\u4f5c\u6210\u3057\u3001data \u3068\u3044\u3046\u5909\u6570\u306b\u683c\u7d0d\u3057\u3066\u304a\u304f\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">data = pd.DataFrame({\"\u8853\u8005\":[\"\u592a\u90ce\",\"\u82b1\u5b50\",\"\u592a\u90ce\",\"\u82b1\u5b50\",\"\u592a\u90ce\",\"\u82b1\u5b50\"], \"\u624b\u8853\u65b9\u6cd5\":[\"\u5185\u8996\u93e1\",\"\u958b\u8179\",\"\u958b\u8179\",\"\u5185\u8996\u93e1\",\"\u5185\u8996\u93e1\",\"\u5185\u8996\u93e1\"], \"\u624b\u8853\u6642\u9593\":[60,50,100,90,30,40], \"\u51fa\u8840\u91cf\":[15,25,35,55,45,25]})<\/pre>\n\n\n\n<p>data \u306e\u5185\u5bb9\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">data<\/pre>\n\n\n\n<p><a href=\"https:\/\/pandas.pydata.org\/pandas-docs\/stable\/reference\/api\/pandas.DataFrame.describe.html\" rel=\"noopener noreferrer\" target=\"_blank\">pandas.DataFrame.describe()<\/a> \u30b3\u30de\u30f3\u30c9\u3067\u5e73\u5747\u3084\u6a19\u6e96\u504f\u5dee\u306a\u3069\u306e\u57fa\u672c\u7d71\u8a08\u91cf\u3092\u8868\u793a\u3059\u308b\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">data.describe()<\/pre>\n\n\n\n<p>\u30b0\u30eb\u30fc\u30d7\u6bce\u306b\u7d71\u8a08\u91cf\u3092\u51fa\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">group = data.groupby(\"\u8853\u8005\") #\u8853\u8005\u3067\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3059\u308b\u3002 \ngroup.describe() #\u8853\u8005\u6bce\u306b\u624b\u8853\u6642\u9593\u3084\u51fa\u8840\u91cf\u306e\u5e73\u5747\u7b49\u3092\u51fa\u3059\u3002<\/pre>\n\n\n\n<p>describe() \u30b3\u30de\u30f3\u30c9\u4ee5\u5916\u306e\u65b9\u6cd5\u306b\u3088\u308b\u57fa\u672c\u7d71\u8a08\u91cf\u306e\u8a08\u7b97\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">len(data) #\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\ndata.sum() #\u5408\u8a08\ndata.mean() #\u5e73\u5747\ndata.var() #\u5206\u6563\u3002()\u5185\u3092 ddof=0 \u306a\u3089\u6a19\u672c\u5206\u6563\u3002\u7701\u7565\u307e\u305f\u306f ddof=1 \u306a\u3089\u4e0d\u504f\u5206\u6563\u3002\ndata.std() #\u6a19\u6e96\u504f\u5dee\u3002()\u5185\u3092 ddof=0 \u306a\u3089\u6a19\u672c\u5206\u6563\u306e\u5e73\u65b9\u6839\u3002\u7701\u7565\u307e\u305f\u306f ddof=1 \u306a\u3089\u4e0d\u504f\u5206\u6563\u306e\u5e73\u65b9\u6839\u3002\ndata.max() #\u6700\u5927\u5024\ndata.min() #\u6700\u5c0f\u5024\ndata.median() #\u4e2d\u592e\u5024<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Python \u3068 pandas \u306b\u3088\u308b\u3001\u5e73\u5747\u3084\u6a19\u6e96\u504f\u5dee\u306e\u8a08\u7b97\u65b9\u6cd5\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[36],"class_list":["post-63","post","type-post","status-publish","format-standard","hentry","category-data-science","tag-python"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/obgyn.jp\/index.php?rest_route=\/wp\/v2\/posts\/63","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obgyn.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obgyn.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obgyn.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/obgyn.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=63"}],"version-history":[{"count":35,"href":"https:\/\/obgyn.jp\/index.php?rest_route=\/wp\/v2\/posts\/63\/revisions"}],"predecessor-version":[{"id":1090,"href":"https:\/\/obgyn.jp\/index.php?rest_route=\/wp\/v2\/posts\/63\/revisions\/1090"}],"wp:attachment":[{"href":"https:\/\/obgyn.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=63"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obgyn.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=63"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obgyn.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=63"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}