twCoefLnorm: twCoefLnorm

Description Usage Arguments Value Author(s) See Also

Description

Calculates mu and sigma of the lognormal distribution from median and upper quantile.

Usage

1
twCoefLnorm(median, quant, sigmaFac = qnorm(0.99))

Arguments

median

geometric mu (median at the original exponential scale)

quant

value at the upper quantile, i.e. practical maximum

sigmaFac

sigmaFac=2 is 95% sigmaFac=2.6 is 99% interval

Value

named numeric vector: mu and sigma parameter of the lognormal distribution.

Author(s)

Thomas Wutzler

See Also

twQuantiles2Coef transOrigPopt.default


twDEMC documentation built on May 2, 2019, 5:38 p.m.