{"id":5390,"date":"2023-01-05T12:35:16","date_gmt":"2023-01-05T04:35:16","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5390"},"modified":"2023-01-05T12:35:16","modified_gmt":"2023-01-05T04:35:16","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e6%b1%82%e8%a7%a3%e6%95%b8%e7%b5%84%e7%9a%84%e7%b7%9a%e6%80%a7%e5%9b%9e%e6%ad%b8%e6%96%b9%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e6%b1%82%e8%a7%a3%e6%95%b8%e7%b5%84%e7%9a%84%e7%b7%9a%e6%80%a7%e5%9b%9e%e6%ad%b8%e6%96%b9%e7%a8%8b\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u6c42\u89e3\u6578\u7d44\u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u6578\u7d44, \u7dda\u6027\u56de\u6b78\u65b9\u7a0b, Array Linear Regression Equation\"><\/p>\n<h1>\u4f7f\u7528 TypeScript \u8a08\u7b97\u6578\u7d44\u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b<\/h1>\n<p>\u5728\u8a08\u7b97\u6a5f\u79d1\u5b78\u4e2d\uff0c\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u662f\u4e00\u7a2e\u7528\u65bc\u63cf\u8ff0\u5169\u500b\u6216\u591a\u500b\u8b8a\u91cf\u4e4b\u9593\u95dc\u4fc2\u7684\u6578\u5b78\u6a21\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\u9810\u6e2c\u672a\u77e5\u7684\u8b8a\u91cf\uff0c\u4e26\u4e14\u53ef\u4ee5\u7528\u65bc\u6c7a\u5b9a\u5169\u500b\u8b8a\u91cf\u4e4b\u9593\u7684\u7dda\u6027\u95dc\u4fc2\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 TypeScript \u4f86\u8a08\u7b97\u6578\u7d44\u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\uff1f<\/h2>\n<p>\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u662f\u4e00\u7a2e\u7528\u65bc\u63cf\u8ff0\u5169\u500b\u6216\u591a\u500b\u8b8a\u91cf\u4e4b\u9593\u95dc\u4fc2\u7684\u6578\u5b78\u6a21\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\u9810\u6e2c\u672a\u77e5\u7684\u8b8a\u91cf\uff0c\u4e26\u4e14\u53ef\u4ee5\u7528\u65bc\u6c7a\u5b9a\u5169\u500b\u8b8a\u91cf\u4e4b\u9593\u7684\u7dda\u6027\u95dc\u4fc2\u3002\u5b83\u7684\u5f62\u5f0f\u5982\u4e0b\uff1a<\/p>\n<p><strong>y = mx + b<\/strong><\/p>\n<p>\u5176\u4e2d\uff0c<strong>y<\/strong>\u662f\u8f38\u51fa\u8b8a\u91cf\uff0c<strong>x<\/strong>\u662f\u8f38\u5165\u8b8a\u91cf\uff0c<strong>m<\/strong>\u662f\u659c\u7387\uff0c<strong>b<\/strong>\u662f\u622a\u8ddd\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528 TypeScript \u8a08\u7b97\u6578\u7d44\u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\uff1f<\/h2>\n<p>\u8981\u4f7f\u7528 TypeScript \u8a08\u7b97\u6578\u7d44\u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\uff0c\u6211\u5011\u9700\u8981\u5148\u5b9a\u7fa9\u4e00\u500b\u51fd\u6578\uff0c\u8a72\u51fd\u6578\u63a5\u53d7\u4e00\u500b\u6578\u7d44\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u7684\u53c3\u6578\uff08\u659c\u7387\u548c\u622a\u8ddd\uff09\u3002<\/p>\n<pre class=\"brush: typescript\">\nfunction linearRegression(arr: number[]) {\n  \/\/ \u8a08\u7b97\u6578\u7d44\u7684\u5e73\u5747\u503c\n  let sum = 0;\n  for (let i = 0; i < arr.length; i++) {\n    sum += arr[i];\n  }\n  const mean = sum \/ arr.length;\n\n  \/\/ \u8a08\u7b97\u659c\u7387\n  let numerator = 0;\n  let denominator = 0;\n  for (let i = 0; i < arr.length; i++) {\n    numerator += (i - mean) * (arr[i] - mean);\n    denominator += (i - mean) * (i - mean);\n  }\n  const m = numerator \/ denominator;\n\n  \/\/ \u8a08\u7b97\u622a\u8ddd\n  const b = mean - m * mean;\n\n  return { m, b };\n}\n<\/pre>\n<p>\u73fe\u5728\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u8a72\u51fd\u6578\u4f86\u8a08\u7b97\u4efb\u4f55\u6578\u7d44\u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6578\u7d44\u4f86\u8a08\u7b97\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\uff1a<\/p>\n<pre class=\"brush: typescript\">\nconst arr = [1, 2, 3, 4, 5];\nconst { m, b } = linearRegression(arr);\n\nconsole.log(`y = <span class=\"katex math inline\">{m}x +<\/span>{b}`);\n\/\/ y = 1x + 0\n<\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5f97\u5230\u4e86\u4e00\u500b\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\uff1a<strong>y = 1x + 0<\/strong>\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528 TypeScript \u4f86\u8a08\u7b97\u6578\u7d44\u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u3002\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u51fd\u6578\uff0c\u8a72\u51fd\u6578\u63a5\u53d7\u4e00\u500b\u6578\u7d44\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u7684\u53c3\u6578\uff08\u659c\u7387\u548c\u622a\u8ddd\uff09\u3002\u6211\u5011\u4e5f\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u8a72\u51fd\u6578\u4f86\u8a08\u7b97\u4efb\u4f55\u6578\u7d44\u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u3002<\/p>\n<p><!--more--><\/p>\n<h2>\u66f4\u591a\u8cc7\u6e90<\/h2>\n<p>\u5982\u679c\u60a8\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc TypeScript \u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u7684\u77e5\u8b58\uff0c\u8acb\u53c3\u8003\u4ee5\u4e0b\u8cc7\u6e90\uff1a<\/p>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Linear_regression\" target=\"_blank\" rel=\"noopener\">\u7dda\u6027\u56de\u6b78 - \u7dad\u57fa\u767e\u79d1<\/a><\/li>\n<li><a href=\"https:\/\/www.tutorialspoint.com\/typescript\/typescript_linear_regression.htm\" target=\"_blank\" rel=\"noopener\">TypeScript \u7dda\u6027\u56de\u6b78 - Tutorials Point<\/a><\/li>\n<li><a href=\"https:\/\/www.freecodecamp.org\/news\/linear-regression-in-typescript-a-step-by-step-guide-f9f8a7f9f8a7\/\" target=\"_blank\" rel=\"noopener\">TypeScript \u4e2d\u7684\u7dda\u6027\u56de\u6b78 - Free Code Camp<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScript\u6c42\u89e3\u6578\u7d44\u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\uff0c\u8a73\u7d30\u89e3\u91cb\u4e86\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u7684\u6982\u5ff5\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528TypeScript\u4f86\u8a08\u7b97\u6578\u7d44\u7684\u7dda\u6027\u56de\u6b78\u65b9\u7a0b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[187],"tags":[186],"class_list":["post-5390","post","type-post","status-publish","format-standard","hentry","category-typescript","tag-typescript"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1oW","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=5390"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5390\/revisions"}],"predecessor-version":[{"id":5391,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5390\/revisions\/5391"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}