[R] logit in "car" package

kat123 kathryn.harrold at northampton.ac.uk
Tue Mar 10 11:24:03 CET 2015

I have run a logit data transformation in R using the logit function in the
package car.


If i run logit on a column of data that contains a 0 value it makes and
adjustment according to the literature of 0.025.

I thought this meant that it was running the transformation as 

log((p+0.025)/ (1-(p+0.025)))

However, if I run individual values through this equation they do not match
up to the output of the logit function.

Any suggestions?


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