Finding the t values of the Student's t test (t1-α,ν)

Question

Ahmed Abdulla 2020-6-5

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https://ww2.mathworks.cn/matlabcentral/answers/542636-finding-the-t-values-of-the-student-s-t-test-t1

回答： Jeff Miller 2020-6-5

I have both 1-α and i have v and i was wondering if there is a way to get the t-value directly in Matlab rather than reffering to the tables.

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Answer 1

Jeff Miller 2020-6-5

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https://ww2.mathworks.cn/matlabcentral/answers/542636-finding-the-t-values-of-the-student-s-t-test-t1#answer_446672

在 MATLAB Online 中打开

critt = tinv(1-alpha,v)

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Answer 2

Edgar Guevara 2020-6-5

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https://ww2.mathworks.cn/matlabcentral/answers/542636-finding-the-t-values-of-the-student-s-t-test-t1#answer_446582

在 MATLAB Online 中打开

The t-value is inside the STAT structure, consider the following example:

X = rand([100, 1]);
Y = rand([100, 1]);
[H,P,CI,STATS] = ttest2(X,Y);
STATS.tstat

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Ahmed Abdulla 2020-6-5

In my case Im calcuating the t value to get the bonferroni interval so the 1-α is actually α/2k where k is the number of predictors so using the ttest wont yield me the same t value im looking for so i wanted to know if there is a way to just input the 1-α value and the v value to get a T value

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