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How to reproduce Excel's T.INV.2T in python?

I've read many similar posts that say Excel's T.INV.2T(probability, degs_Freedom) can be reproduced in python using scipy.stats.t.ppf().

If I use the example of T.INV.2T(0.05, 58) excels yields 2.002.

Based on other answers posted I should get the same answer using scipy.stats.t.ppf(0.05, 58), but I do not. I get -1.672.

Any ideas on what is wrong with my syntax?



source https://stackoverflow.com/questions/69576929/how-to-reproduce-excels-t-inv-2t-in-python
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  1. niedoczekanie9 December 2021 at 11:59

    LMAO it's very simple.
    For ex.:
    α = 0.05
    then
    T.INV (1 - α/2; df) = T.INV.2T (α; df)

    T.INV.2T(0.05, 58) [in excel]
    is the same as
    scipy.stats.t.ppf(1 - 0.05/2, df = 58) [in Python]

    ReplyDelete

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