数据挖掘算法评估的相关内容

问答 2022-07-26 来自：开发者社区

《写给程序员的数据挖掘实践指南》——第5章分类的进一步探讨—算法评估及kNN

第5章分类的进一步探讨—算法评估及kNN 写给程序员的数据挖掘实践指南回到上一章中关于运动员的例子。在那个例子中我们构建了一个分类器，输入为运动员的身高、体重，输出为其从事的体育项目—体操、田径或篮球。因此，左图的Marissa Coleman身高6英尺1英寸，体重160磅。我们的分类器能够将她正确判断为篮球运动员： >>> cl = Classifier('athlet.....

共有8条

< 1 >

跳转至： GO

更新时间 2024-02-12 10:24:31

本页面内关键词为智能算法引擎基于机器学习所生成，如有任何问题，可在页面下方点击"联系我们"与我们沟通。

算法您可能感兴趣

产品推荐

{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB18uSX1VP7gK0jSZFjXXc5aXXa-200-200.png","contentLink":"https://www.aliyun.com/product/saf","title":"风险识别","des":"阿里巴巴十余年业务风险管控最佳实践。基于大数据、流式计算、机器学习算法，提供决策引擎平台、风险识别API、专家定制建模等多维风控服务，一站式解决企业在用户注册、运营活动、交易、信贷审核等关键业务中所遇到的欺诈问题。","link1":"https://yundunnext.console.aliyun.com/?spm=5176.cnsaf.0.0.c6795472B3GWfM&p=saf#/count","btn1":"产品控制台","link2":"https://common-buy.aliyun.com/?spm=5176.cnsaf.0.0.c6795472B3GWfM&commodityCode=saf_pos#/open","btn2":"免费开通","btn3":"产品文档","link3":"https://help.aliyun.com/document_detail/70016.html?spm=5176.cnsaf.0.0.c6795472B3GWfM","infoGroup":[{"infoName":"精选推荐","infoContent":{"firstContentName":"10万次免费试用报名中","firstContentLink":"https://page.aliyun.com/form/act636702490/index.htm?spm=5176.cnsaf.0.0.c6795472B3GWfM","lastContentLink":"https://common-buy.aliyun.com/?spm=5176.cnsaf.0.0.c6795472B3GWfM&commodityCode=saf#/buy","lastContentName":"包年包月购买"}},{"infoName":"用户指南","infoContent":{"firstContentName":"产品快速入门","lastContentName":"常见问题","firstContentLink":"https://help.aliyun.com/document_detail/70038.html?spm=a2c4g.11186623.6.549.d05212f5rnJ31x","lastContentLink":"https://help.aliyun.com/document_detail/71028.html?spm=a2c4g.11186623.6.587.d05212f5rnJ31x"}},{"infoName":"最新动态","infoContent":{"firstContentLink":"https://www.aliyun.com/product/new?category=224&product=294","firstContentName":"产品最新动态","lastContentLink":"","lastContentName":""}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}

{"$env":{"JSON":{}},"$page":{"env":"production"},"$context":{"optioninfo":{"dynamic":"ture","static":"true"},"simplifiedDisplay":"newEdition","newCard":[{"ifIcon":"img","link":"https://img.alicdn.com/tfs/TB1XY8hGYr1gK0jSZFDXXb9yVXa-1740-328.png","icon":"","iconImg":"https://img.alicdn.com/tfs/TB18uSX1VP7gK0jSZFjXXc5aXXa-200-200.png","contentLink":"https://www.aliyun.com/product/saf","title":"风险识别","des":"阿里巴巴十余年业务风险管控最佳实践。基于大数据、流式计算、机器学习算法，提供决策引擎平台、风险识别API、专家定制建模等多维风控服务，一站式解决企业在用户注册、运营活动、交易、信贷审核等关键业务中所遇到的欺诈问题。","link1":"https://yundunnext.console.aliyun.com/?spm=5176.cnsaf.0.0.c6795472B3GWfM&p=saf#/count","btn1":"产品控制台","link2":"https://common-buy.aliyun.com/?spm=5176.cnsaf.0.0.c6795472B3GWfM&commodityCode=saf_pos#/open","btn2":"免费开通","btn3":"产品文档","link3":"https://help.aliyun.com/document_detail/70016.html?spm=5176.cnsaf.0.0.c6795472B3GWfM","infoGroup":[{"infoName":"精选推荐","infoContent":{"firstContentName":"10万次免费试用报名中","firstContentLink":"https://page.aliyun.com/form/act636702490/index.htm?spm=5176.cnsaf.0.0.c6795472B3GWfM","lastContentLink":"https://common-buy.aliyun.com/?spm=5176.cnsaf.0.0.c6795472B3GWfM&commodityCode=saf#/buy","lastContentName":"包年包月购买"}},{"infoName":"用户指南","infoContent":{"firstContentName":"产品快速入门","lastContentName":"常见问题","firstContentLink":"https://help.aliyun.com/document_detail/70038.html?spm=a2c4g.11186623.6.549.d05212f5rnJ31x","lastContentLink":"https://help.aliyun.com/document_detail/71028.html?spm=a2c4g.11186623.6.587.d05212f5rnJ31x"}},{"infoName":"最新动态","infoContent":{"firstContentLink":"https://www.aliyun.com/product/new?category=224&product=294","firstContentName":"产品最新动态","lastContentLink":"","lastContentName":""}}]}],"card":[],"search":[],"infoCard":[{"bannerUrl":"https://img.alicdn.com/tfs/TB1Xf81a3gP7K4jSZFqXXamhVXa-5169-974.jpg","bannerTitle":"mPaaS 小程序","bannerContent":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。<br>不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","liveButtonName":"查看详情","liveButtonLink":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","contentTitle":"提供即开即用的端上体验","homePageLink":"https://common-buy.aliyun.com/?spm=5176.14673561.J_8751524360.2.56702709BussF3&commodityCode=mpaas_beta#/open","homePageName":"免费试用","linkGroup":[{"linkContent":"发布包大小极致优化，节省流量和存储。"},{"linkContent":"服务迭代不再受发版限制，快速发布，快速迭代。"},{"linkContent":"业务开发效率更加优秀，一次开发，多端运行。"}]}],"title":{"mainTitle":"mPaaS","subtitle":"源自于支付宝小程序框架，亿级线上业务体量的锤炼，安全性媲美支付宝原生能力。不仅面向自有 App 投放小程序，更可快速构建打包，覆盖支付宝、淘宝、钉钉等应用。","linkUrl":"https://www.aliyun.com/product/mobilepaas/mpaas-miniprogram","btnText":"查看详情"},"visual":{"topbg":"https://img.alicdn.com/tfs/TB1bQuBIYH1gK0jSZFwXXc7aXXa-3840-740.gif","icon":"","textColor":"dark"},"dataList":[{"summary":"啦啦啦","author":"wuwu","linksUrl":"#"}],"sceneCard":[],"txt":[]}}