logit: Logit Transformation

Description Usage Arguments Details Value Note Examples

Description

Transform real values to the logit scale, and the inverse.

Usage

1
2

Arguments

x

vector of numeric values in (0,1) (possibly a probability)

y

vector of numeric values

Details

The logit transformation is defined as logit(x) = log(x/(1--x)) for x in (0,1).

Value

Numeric value on requested scale.

Note

logit is equivalent to qlogis, and invlogit is equivalent to plogis (both R functions in the stats package). logit and invlogit are used in secr because they are slightly more robust to bad input, and their names are more memorable!

Examples

1
2
logit(0.5)
invlogit(logit(0.2))


Search within the secr package
Search all R packages, documentation and source code

Questions? Problems? Suggestions? or email at ian@mutexlabs.com.

Please suggest features or report bugs with the GitHub issue tracker.

All documentation is copyright its authors; we didn't write any of that.