tr.logtb {YRmisc}

Logistic function

Description

Generate logistic series, with set top and bottom value and acceleration.

Usage

tr.logtb(x,top,bot,a,b)

Arguments

x

:a vector

top

:higher level y asymptote

bot

:lower level y asymptote

a

:a number to control top acceleration of the curve

b

:a number to control bottom acceleration of the curve

Examples

tr.logtb(seq(-3, 3, 0.1), 1, 0.4, -3, 3)