Linear regression with regularization当我们的λ很大时,hθ(x)≈θ0,是一条直线,会出现underfit;当我们的λ很小时(=0时),即相当于没有做regularization,会出现overfit;只有当我们的λ取intermediate值时,才会刚刚好。那...
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2015-12-16 19:30:21
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Iamalazyguy,butmybrotherisjustoppositetowhatIam.Heisalwayspassionateabouthisbackyardworks,andhealwaystakesgoodcareofhistoolseventhough,itdoesn’tlastforlongbecauseofitslowquality.Iseehimworkingsohardbreakinghissweatallthetimetomakethejobdone,butonedayInotic..
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2015-12-13 18:53:23
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软件失败的用语:缺点(defect)故障(fault)问题(problem)错误(error)事件(incident)异常(anomaly)偏差(variance)失败(failure)矛盾(inconsistency)特殊(feature)缺陷(bug)产品说明书产品说明书(product spe...
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2015-12-10 11:05:32
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If you are a fan of Harry Potter, you would know the world of magic has its own currency system -- as Hagrid explained it to Harry, "Seventeen silver ...
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2015-12-06 12:53:16
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Tasklets are the preferred way to implement deferrable functions in I/O drivers. As already explained,tasklets are built on top of two softirqs named ...
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2015-12-03 08:27:39
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原文:http://www.zhihu.com/question/27068705机器学习中的Bias(偏差),Error(误差),和Variance(方差)有什么区别和联系?修改最近在学习机器学习,在学到交叉验证的时候,有一块内容特别的让我困惑,Error可以理解为在测试数据上跑出来的不准确率 ,...
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2015-11-28 13:34:35
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In my understanding, factor analysis is a method developed to avoid the mass estimation of the variance-covariance matrix when doing Markowitz Allocat...
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2015-11-20 21:43:19
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In my understanding, factor analysis is a method developed to avoid the mass estimation of the variance-covariance matrix when doing Markowitz Allocat...
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2015-11-18 00:41:43
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In?the topic describing TCP‘s Maximum Segment Size (MSS) parameter, I explained the trade-off in determining the optimal size of TCP segments. If segments are too large, we risk having them become...
Understanding the Bias-Variance Tradeoff:http://scott.fortmann-roe.com/docs/BiasVariance.html 偏差与方差(Bias and Variance):http://blog.csdn.net/u013802188...
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2015-11-06 00:03:09
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