logistic: Logistic

In LuchTiarna/PsyFuns: Package for extrapolating psychometric information

Description

Logistic function is a sigmoid type function. It is the part of CDF.
It's CDF formula is: y = 1 / ( 1 + exp(-x))
It's PDF formula is: y = exp(x) / ( 1 + exp(x))^2

Usage

logistic(x)

logistic.orig(x)

logistic.inverse(x)

## S3 method for class 'orig.cdf'
logistic(x)

## S3 method for class 'orig.pdf'
logistic(x)

## S3 method for class 'inverse.cdf'
logistic(x)

## S3 method for class 'inverse.pdf'
logistic(x)

Arguments

x	Vector of x parametres

Value

Vector of result vaues

LuchTiarna/PsyFuns documentation built on July 8, 2019, 12:28 a.m.