{"id":173891,"date":"2022-04-13T23:18:07","date_gmt":"2022-04-13T15:18:07","guid":{"rendered":"http:\/\/www.idc.net\/help\/173891\/"},"modified":"2022-04-13T23:18:07","modified_gmt":"2022-04-13T15:18:07","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91python%e6%95%99%e7%a8%8b%ef%bc%9apython%e5%85%a5%e9%97%a8%e6%96%b9%e5%b7%ae%e5%92%8c%e6%a0%87%e5%87%86%e5%b7%ae%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/173891\/","title":{"rendered":"\u540e\u6d6a\u4e91Python\u6559\u7a0b\uff1apython\u5165\u95e8:\u65b9\u5dee\u548c\u6807\u51c6\u5dee\u7684\u533a\u522b"},"content":{"rendered":"<p style=\"text-align: center\"><strong><img decoding=\"async\" src=\"https:\/\/oss.py.cn\/pycn\/upload\/image\/657\/584\/486\/1613895333430458.png\" class=\"aligncenter\"><\/strong><\/p>\n<p><strong>\u4e00\u3001\u6807\u51c6\u5dee\u7684\u6982\u5ff5<\/strong><\/p>\n<p>\u6807\u51c6\u5dee\u4e5f\u88ab\u79f0\u4e3a\u6807\u51c6\u504f\u5dee\uff0c\u5728\u4e2d\u6587\u73af\u5883\u4e2d\u53c8\u5e38\u79f0\u5747\u65b9\u5dee\uff0c\u662f\u6570\u636e\u504f\u79bb\u5747\u503c\u7684\u5e73\u65b9\u548c\u5e73\u5747\u540e\u7684\u65b9\u6839\uff0c\u7528\u03c3 \\sigma\u03c3\u8868\u793a<\/p>\n<p>\u6807\u51c6\u5dee\u662f\u65b9\u5dee\u7684\u7b97\u672f\u5e73\u65b9\u6839\u3002<\/p>\n<p>\u6807\u51c6\u5dee\u80fd\u53cd\u6620\u4e00\u4e2a\u6570\u636e\u96c6\u7684\u79bb\u6563\u7a0b\u5ea6\u3002<\/p>\n<p><strong>\u4e8c\u3001\u65b9\u5dee\u7684\u6982\u5ff5<\/strong><\/p>\n<p>\u65b9\u5dee\u662f\u5728\u6982\u7387\u8bba\u548c\u7edf\u8ba1\u65b9\u5dee\u8861\u91cf\u968f\u673a\u53d8\u91cf\u6216\u4e00\u7ec4\u6570\u636e\u65f6\u79bb\u6563\u7a0b\u5ea6\u7684\u5ea6\u91cf\uff0c\u65b9\u5dee\u8d8a\u5927\uff0c\u8bf4\u660e\u968f\u673a\u53d8\u91cf\u53d6\u503c\u8d8a\u79bb\u6563\u3002<\/p>\n<p>\u65b9\u5dee\u5728\u7edf\u8ba1\u63cf\u8ff0\u548c\u6982\u7387\u5206\u5e03\u4e2d\u6709\u4e0d\u540c\u7684\u5b9a\u4e49\u548c\u8ba1\u7b97\u516c\u5f0f\u3002<\/p>\n<p><strong><span>\u4e09\u3001\u65b9\u5dee\u548c\u6807\u51c6\u5dee\u7684\u533a\u522b<\/span><\/strong><\/p>\n<p>\u56e0\u4e3a\u65b9\u5dee\u6709\u5e73\u65b9\u9879\uff0c\u5bfc\u81f4\u7ef4\u5ea6\u500d\u6570\u53d8\u5316\uff0c\u4e0e\u6211\u4eec\u8981\u5904\u7406\u7684\u6570\u636e\u7684\u7ef4\u5ea6\u4e0d\u4e00\u81f4\uff0c\u8fd8\u6709\u989d\u5916\u7684\u5e73\u65b9\u3002\u867d\u7136\u5b83\u80fd\u5f88\u597d\u5730\u63cf\u8ff0\u6570\u636e\u4e0e\u5747\u503c\u4e4b\u95f4\u7684\u504f\u79bb\u7a0b\u5ea6\uff0c\u4f46\u5904\u7406\u7ed3\u679c\u5e76\u4e0d\u7b26\u5408\u6211\u4eec\u7684\u76f4\u89c2\u601d\u7ef4\u3002\u6bd4\u5982\u8eab\u9ad8(cm)\u7684\u65b9\u5dee\u53d8\u6210\u4e86\u8eab\u9ad8\u7684\u5e73\u65b9\uff0c\u4e0d\u80fd\u76f4\u63a5\u53cd\u6620\u8eab\u9ad8(cm)\u7684\u504f\u79bb\u7a0b\u5ea6\u3002\u6807\u51c6\u5dee\u7684\u6839\u53f7\u504f\u79fb\u4e86\u5e73\u65b9\uff0c\u8fd9\u6837\u63cf\u8ff0\u6570\u636e\u548c\u5747\u503c\u4e4b\u95f4\u7684\u504f\u79bb\u7a0b\u5ea6\u5c31\u53ef\u4ee5\u76f8\u5bf9\u76f4\u89c2\u3002\u5728\u63cf\u8ff0\u6ce2\u52a8\u8303\u56f4\u65f6\uff0c\u6807\u51c6\u5dee\u6bd4\u65b9\u5dee\u66f4\u65b9\u4fbf\u3002\u6807\u51c6\u5dee\u8d8a\u5c0f\uff0c\u8fd9\u4e9b\u503c\u4e0e\u5e73\u5747\u503c\u7684\u504f\u5dee\u8d8a\u5c0f\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n<p>python\u4ee3\u7801<\/p>\n<pre>#&nbsp;-*-&nbsp;coding:&nbsp;utf-8&nbsp;-*-\n\nimport&nbsp;math\n\ndef&nbsp;get_standard_deviation(records):\n&nbsp;&nbsp;&nbsp;&nbsp;\"\"\"\n&nbsp;&nbsp;&nbsp;&nbsp;\u6807\u51c6\u5dee&nbsp;==&nbsp;\u5747\u65b9\u5dee\n&nbsp;&nbsp;&nbsp;&nbsp;\"\"\"\n&nbsp;&nbsp;&nbsp;&nbsp;variance&nbsp;=&nbsp;get_variance(records)\n&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;math.sqrt(variance)<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6807\u51c6\u5dee\u7684\u6982\u5ff5 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":173892,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182397],"tags":[],"class_list":["post-173891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/173891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=173891"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/173891\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/173892"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=173891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=173891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=173891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}