Hi, dear R-users,

I am computing a liner regression by rating category using the 'by' function
as stated below:

tmp <- by(projet, rating, function(x) lm(defaults ~ CGDP+CSAVE+SP500, data =
x))

I would like to get not only the coefficients but also their p-values. I
can't find the command in the help pages to get them.

Does anyone have a suggestion ?

Thank you,

Benoit.

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