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PlotMixturesAndBoundaries <-function(Data, Means, SDs, Weights, IsLogDistribution = rep(FALSE,length(Means)), SingleColor = 'blue', MixtureColor = 'red',DataColor='black', BoundaryColor = 'magenta', xlab, ylab,SingleGausses=TRUE, ...){
#PlotGaussMixesAndBoundaries(Data,Means,SDs,Weights,SingleColor,MixtureColor)
# Plot a Mixture of Gaussian/LogNormal and Bayesian decision boundaries
# INPUT
# Data[1:n] data column for which the distribution was modelled
# Means[1:L] Means of Gaussians, L == Number of Gaussians
# SDs[1:L] estimated Gaussian Kernels = standard deviations
# Weights[1:L] relative number of points in Gaussians (prior # probabilities): sum(Weights) ==1
# OPTIONAL
# IsLogDistribution(1:L) gibt an ob die jeweilige Verteilung eine
# Lognormaverteilung ist,(default ==0*(1:L))
# SingleColor PlotSymbol of all the single gaussians, default
# magenta
# MixtureColor PlotSymbol of the mixture, default black
# BoundaryColor PlotSymbol of the boundaries default green
# RoundNpower Decision Boundaries are rounded by
# roundn(DecisionBoundariesRoundNpower)
# ... other plot arguments, like xlim = c(1,10)
# OUTPUT
# DecisonBoundaries(1:L-1) Bayes decision boundaries
# DBY(1:L-1) y values at the cross points of the Gaussians
# author MT 08/2015
# Labels
if(missing(xlab)){
xlab = '' # no label for x axis
}
if(missing(ylab)){
ylab = '' # no label for y axis
}
# Calculate intersections
dec = BayesDecisionBoundaries(Means,SDs,Weights,IsLogDistribution,Ycoor=T)
#MT: Bugifx
#if(is.list(dec)){
DecisionBoundaries=as.vector(dec$DecisionBoundaries)
#print('dec was a list, assuming usage of BayesDecisionBoundaries()')
#}
# Plot Gaussians
PlotMixtures(Data,Means,SDs,Weights,IsLogDistribution,SingleColor,MixtureColor,DataColor=DataColor, xlab = xlab, ylab = ylab,SingleGausses = SingleGausses,...)
# intersecions
for (i in 1:length(DecisionBoundaries)){
abline(v = DecisionBoundaries[i], col = BoundaryColor)
}
return (invisible(list(DecisionBoundaries = DecisionBoundaries, DBY = dec$DBY)))
}
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