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zhanxw

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 8 years, 7 months
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  • Last seen Oct 9 at 0:51

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17 EM algorithm manually implemented May 3 '13
5 Proving that the squares of normal rv's is Chi-square distributed Nov 16 '15
2 What is class correlation? May 4 '13
2 Formula to calculate a t-distribution May 2 '13
1 Integrating unknown parameter out of the likelihood function May 3 '13
1 Two forms of test statistics in likelihood ratio tests May 2 '13
1 What does the “1” in the R formula “y ~ 1” mean? Oct 2 '15
1 Transformation of multivariate normal sum of chi-squared Nov 16 '15
1 Time-dependent coxph output and making predictions in R Feb 26 '19
0 Fitting a Poisson distribution from missing observations May 1 '13
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