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# Author : F.Rohart, Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD
# created: pre 01-01-2013
# last modification: 10-10-2014
# Copyright (C) 2014
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
plot.mht <- plot.mht.order <-function(x,which.plot=1:4,...)
{
alpha=as.numeric(colnames(x$coefficients))
par(ask=TRUE)
for(i in 1:length(alpha))
{
if(1%in%which.plot)
{
plot(x$fitted.values[,i],x$data$Y,xlab="Fitted values",ylab="Y",main=paste("Y vs fitted values, alpha =",alpha[i]))
abline(c(0,1),lty=3)
}
if(2%in%which.plot)
{
plot(x$fitted.values[,i],x$residuals[,i],xlab="Fitted values",ylab="Residuals",main=paste("residuals vs fitted values, alpha =",alpha[i]))
abline(h=0,lty=3)
}
if(3%in%which.plot)
{
qqnorm(x$residuals[,i]/sqrt(var(x$residuals[,i])),ylab="Standardised residuals",main=paste("Normal Q-Q plot, alpha =",alpha[i]))
abline(c(0,1),lty=3)
}
if(4%in%which.plot)
{
barplot(x$coefficients[,i],las=2,ylim=range(x$coefficients[,i]),axes=TRUE,axis.lty=1,,main=paste("Coefficients, alpha =",alpha[i]),horiz=FALSE)
}
}
par(ask=FALSE)
}
plot.bolasso <-function(x,...)
{
col=topo.colors(ncol(x$data$X))
ind=sort(x$mu,index.return=TRUE)
mu=ind$x
plot(mu,x$frequency[1,],xlim=range(mu)[2:1],type="n",col=col[1],ylim=c(0,1),xlab="Regularization parameter",ylab="Frequency of selection",main="Bolasso")
for(i in 1:ncol(x$data$X))
{
lines(mu,x$frequency[i,][ind$ix],col=col[i])
}
}
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