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Transform real values to the logit scale, and the inverse.
logit(x) invlogit(y)
Numeric value on requested scale.
vector of numeric values in (0,1) (possibly a probability)
vector of numeric values
The logit transformation is defined as \(\mathrm{logit}(x) = \mathrm{log}( \frac{x}{1-x})\) for \(x \in (0,1)\).
logit(0.5) invlogit(logit(0.2))
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