36 lines
940 B
R
36 lines
940 B
R
# Apply scale and location transform to the GAL distribution
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#
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# Author: Francois Pelletier
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#
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# LGPL 3.0
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###############################################################################
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#' Apply scale and location transform to the GAL distribution
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#' @param param Parameter vector
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#' @param type Choose between "mu" or "kappa" parametrization
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#' @param location Location shift (unitary)
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#' @param scale Scale shift (in standard deviations)
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#' @param log Logical for log-parameters
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#' @return The transformed parameter vector
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#' @export scaleGAL
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#' @author Francois Pelletier
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scaleGAL <- function(param,type="kappa",location,scale,log=FALSE)
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{
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if(log)
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{
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}
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else
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{
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if(type=="kappa")
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{
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return(param * c(scale,scale,1,1) + c(location,0,0,0))
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}
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else if (type=="mu")
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{
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return(changetypeGAL(
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scaleGAL(changetypeGAL(param,type="mu",target="kappa"),type="kappa",location,scale),
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type="kappa",target="mu"))
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}
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}
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}
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