[R] Question regarding reading arrayvision files in limma

Hi Everyone, I have been trying to read some Arrayvision files( 2 channel cDNA) and am having some problem. My code is : setwd('C:/work/data/limma/ndd1'); files - c('ndd1_1.txt','ndd1_2.txt','ndd1_3.txt'); RG=read.maimages(files,arrayvision,sep=\t); #Normalisation

[R] Density estimation with monotonic constaints

Hi All, I have a sample x={x1,x2,..,xn} fom a distribution with density f. I wish to estimate the density. I know a priori that the density is monotonically decreasing. Is there a way to do this in R? Thanks Debayan __ R-help@stat.math.ethz.ch

[R] question about density estimation with monotonic constraints

Hi, I have a 1-d vector x of values but it is rather noisy. I know a priori that the density function should be monotonically decreasing, but my data doesnt have that. Is there a way to transform the data in such a way so that the resultant density be monotonically decreasing? Thanks Debayan