Logit of Proportions

This function calculates the logit of proportions.

logit(p)

Arguments

p

A numeric Splus object, all of whose values are in the range [0,1]. Missing values (NAs) are allowed.

Value

A numeric object of the same type as p containing the logits of the input values.

Details

If any elements of p are outside the unit interval then an error message is generated. Values of p equal to 0 or 1 (to within machine precision) will return -Inf or Inf respectively. Any NAs in the input will also be NAs in the output.

See also

inv.logit, qlogis for which this is a wrapper.