LOGIT function
LOGIT(p) returns the logit of the probability p:
$$ \operatorname{logit}(p)= \ln\left( \frac{p}{1-p} \right) $$
$$ \operatorname{logit}(p)= \ln\left( \frac{p}{1-p} \right) $$
The argument p must be a number between 0 and 1, or it can be a matrix with all numbers between 0 and 1. When it is a matrix, the function returns a matrix with the same dimensions and with the LOGIT function applied to all elements.
Example
LOGIT(0.9) returns 2.197224577
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