Comments (1)
richenyunqi
commented on July 18, 2024
不好意思，先前的解释有点问题，目前已更新。
我们可以定义变量
p0表示小于$y_i$且$result_i==0$的同学个数；定义变量p1表示小于$y_i$且$result_i==1$的同学个数，那么$\theta$恰好为$y_i$时的预测正确的次数就是$p0+m-p1$
一共m位同学，那么大于等于$y_i$且$result_i==1$的同学个数就是$m-p1$，那么$\theta$恰好为$y_i$时的预测正确的次数就是$p0+m-p1$
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