Logit (log-odds) and inverse-logit function.
Calculates the logit (log-odds) and inverse-logit.
logit(mu) inv_logit(eta)
mu |
A numeric object with probabilies, with values in the in the range [0,1]. Missing values (NAs) are allowed. |
eta |
A numeric object with log-odds values, with values in the range [-Inf,Inf]. Missing values (NAs) are allowed. |
Values of mu equal to 0 or 1 will return -Inf or Inf respectively.
A numeric object of the same type as mu and eta containing the logits or inverse logit of the input values. The logit and inverse transformation equates to
logit(μ) = log(μ/(1-μ))
logit^-1(η) = exp(η)/(1 + exp(η)).
logit(0.2) inv_logit(-1.386)
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