Bayes分类1三类协方差不相等2三类协方差相等3编程上机画出三类分类界线或分界面。
Bayes classification 1 three types of covariance not equal 2 three equal covariance 3 programming line on the machine to draw three categories or sub-interface.
在每一个字符串的结尾，很可能得到只有一个或者两个单词的chunk，例如，下面的chunks拥有相等的长度且单词长度的方差也相等。
At the end of each string, it is very likely to have chunks with only one or two words.
产生的原因在于单位权方差与分布的总体方差不相等。
The cause is that the unit weight estimation variance and the generality variance of the distribution don't equal with each other.
按15%和10%的抽样比例得到的核心库的方差差异百分率相等而高于25%抽样比例的方差差异百分率；
These percentage of variance difference through sampling at 15% and 10% were higher than that of through sampling at 25%.
按15%和10%的抽样比例得到的核心库的方差差异百分率相等而高于25%抽样比例的方差差异百分率；
These percentage of variance difference through sampling at 15% and 10% were higher than that of through sampling at 25%.
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