powerStudent
Estimates the approximate statistical power of a performed Student's t test about mean(s). Here, according to Zar (1999) we use the approximation of power by the central cumulative distribution function. It recalls you the statistical result of the test you should have arrived. This power estimation is considered biased, for it is underestimated. However, it is presented for all those interested people.
You can find the exact power estimation on the extpowerStudent m-file.
Inputs:
t - Student's t statistic
df - degrees of freedom
c - specified testing direction [1 = one-tailed(default);2 = two-tailed]
alpha - significance level (default = 0.05)
Outputs:
- Specified direction test
(Statistical result of the test you should have arrived)
- Power
Cita come
Antonio Trujillo-Ortiz (2024). powerStudent (https://www.mathworks.com/matlabcentral/fileexchange/2907-powerstudent), MATLAB Central File Exchange. Recuperato .
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Ispirato: MyRegression
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