fexpit {compartmap} | R Documentation

## Helper function: expanded expit

### Description

Helper function: expanded expit

### Usage

    fexpit(x, sqz = 1e-06)

### Arguments

`x` | a vector of values between -Inf and +Inf
`sqz` | the amount by which we 'squoze', default is .000001

### Value

       a vector of values between 0 and 1 inclusive

### Examples

      x <- rnorm(n=1000)
      summary(x)

      sqz <- 1 / (10**6)
      p <- fexpit(x, sqz=sqz)
      summary(p)

      all( (abs(x - flogit(p)) / x) < sqz )
      all( abs(x - flogit(fexpit(x))) < sqz )

[Package compartmap version 1.10.0 Index]