{"id":5502,"date":"2023-01-05T12:49:27","date_gmt":"2023-01-05T04:49:27","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5502"},"modified":"2023-01-05T12:49:27","modified_gmt":"2023-01-05T04:49:27","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescript%e6%b1%82%e5%8f%96%e9%99%a3%e5%88%97%e7%9a%84%e6%a8%99%e6%ba%96%e5%b7%ae","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%e5%8f%96%e9%99%a3%e5%88%97%e7%9a%84%e6%a8%99%e6%ba%96%e5%b7%ae\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScript\u6c42\u53d6\u9663\u5217\u7684\u6a19\u6e96\u5dee"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u9663\u5217, \u6a19\u6e96\u5dee, standardDeviation\"><\/p>\n<h1>TypeScript \u9663\u5217\u7684\u6c42\u6807\u51c6\u5dee(standardDeviation)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u958b\u767c\u51fa\u66f4\u9ad8\u54c1\u8cea\u7684\u7a0b\u5f0f\u78bc\u3002\u5728 TypeScript \u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u9663\u5217\u4f86\u8a08\u7b97\u6a19\u6e96\u5dee\uff08standardDeviation\uff09\u3002<\/p>\n<p>\u6a19\u6e96\u5dee\u662f\u4e00\u7a2e\u7d71\u8a08\u6307\u6a19\uff0c\u7528\u65bc\u8861\u91cf\u4e00\u7d44\u6578\u64da\u7684\u5206\u6563\u7a0b\u5ea6\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u6bd4\u8f03\u4e0d\u540c\u7d44\u6578\u64da\u7684\u5206\u6563\u7a0b\u5ea6\uff0c\u4ee5\u53ca\u6aa2\u6e2c\u6578\u64da\u662f\u5426\u6709\u7570\u5e38\u503c\u3002<\/p>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4f86\u8a08\u7b97\u6a19\u6e96\u5dee\uff1a<\/p>\n<pre class=\"brush: typescript\">\nfunction standardDeviation(arr: number[]) {\n    let sum = 0;\n    let mean = 0;\n    let variance = 0;\n    let stdDev = 0;\n \n    for (let i = 0; i < arr.length; i++) {\n        sum += arr[i];\n    }\n \n    mean = sum \/ arr.length;\n \n    for (let i = 0; i < arr.length; i++) {\n        variance += Math.pow(arr[i] - mean, 2);\n    }\n \n    variance = variance \/ arr.length;\n    stdDev = Math.sqrt(variance);\n \n    return stdDev;\n}\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u53ef\u4ee5\u7528\u4f86\u8a08\u7b97\u4e00\u7d44\u6578\u64da\u7684\u6a19\u6e96\u5dee\u3002\u9996\u5148\uff0c\u5b83\u6703\u8a08\u7b97\u51fa\u8a72\u7d44\u6578\u64da\u7684\u7e3d\u548c\uff0c\u7136\u5f8c\u8a08\u7b97\u51fa\u8a72\u7d44\u6578\u64da\u7684\u5e73\u5747\u503c\u3002\u63a5\u8457\uff0c\u5b83\u6703\u8a08\u7b97\u51fa\u8a72\u7d44\u6578\u64da\u7684\u8b8a\u7570\u6578\uff0c\u6700\u5f8c\uff0c\u5b83\u6703\u8a08\u7b97\u51fa\u8a72\u7d44\u6578\u64da\u7684\u6a19\u6e96\u5dee\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u4f7f\u7528 TypeScript \u4f86\u8a08\u7b97\u6a19\u6e96\u5dee\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u8655\u7406\u6578\u64da\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u5feb\u901f\u5730\u5f97\u5230\u7d50\u679c\u3002\u6b64\u5916\uff0cTypeScript \u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u958b\u767c\u51fa\u66f4\u9ad8\u54c1\u8cea\u7684\u7a0b\u5f0f\u78bc\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScript\u6c42\u53d6\u9663\u5217\u7684\u6a19\u6e96\u5dee\uff0c\u4e26\u63d0\u4f9b\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\u4f86\u89e3\u91cb\u6a19\u6e96\u5dee\u7684\u6982\u5ff5\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528TypeScript\u4f86\u5be6\u73fe\u5b83\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-5502","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\/pcFK27-1qK","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5502","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=5502"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5502\/revisions"}],"predecessor-version":[{"id":5503,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5502\/revisions\/5503"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}