Nothing
mat2pol <-
function( pm,
perm = 1:ncol(pm),
x = as.numeric(rownames(pm)),
col = rainbow(ncol(pm)),
yl = 0:1,
append = FALSE,
... )
{
if( missing(x) ) x <- as.numeric( rownames(pm) )
if( length(x)==0 ) x <- 1:nrow(pm)
xm <- cbind( 0, pm[,perm] )
xm <- t( apply(xm,1,cumsum) )
if( !append ) plot( x, x, type="n", ylim=yl, ... )
for( j in 1:ncol(pm) )
polygon( c(x,rev(x)),
c(xm[,j],rev(xm[,j+1])),
col = col[j], border="transparent" )
invisible( xm )
}
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