[BioC] RMA and justRMA error

[aedin]

Dear BioC
I know that this error is reported a few times on the Bioc mailing list, 
however no resolution to it is available in the archives (or at least 
none that google and I could find).  I get the same error whether I use 
R 2.3.1 or the devel version.  I enclose the devel version error.

The cels files are read in by ReadAffy and are processed ok by gcrma, 
however fall over when I try to run rma or justRMA.

Thanks for your help
Aedin

 > df = justRMA(filenames=filenam[125:130])
Background correcting
Error in density.default(x, kernel = "epanechnikov", n = 2^14) :
        need at least 2 points to select a bandwidth automatically

 > df = ReadAffy(filenames=filenam[125:130])
 > df
AffyBatch object
size of arrays=1164x1164 features (63518 kb)
cdf=HG-U133_Plus_2 (54675 affyids)
number of samples=6
number of genes=54675
annotation=hgu133plus2

 > df.rma= rma(df)
Background correcting
Error in density.default(x, kernel = "epanechnikov", n = 2^14) :
        need at least 2 points to select a bandwidth automatically

 > library(gcrma)
 > df.gcrma= gcrma(df)
Adjusting for optical effect......Done.
Computing affinities.Done.
Adjusting for non-specific binding......Done.
Normalizing
Calculating Expression

 > sessionInfo()
R version 2.4.0 Under development (unstable) (2006-08-06 r38809)
i686-pc-linux-gnu

locale:
LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=en_US.UTF-8;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C

attached base packages:
[1] "splines"   "tools"     "methods"   "stats"     "graphics"  "grDevices"
[7] "utils"     "datasets"  "base"

other attached packages:
hgu133plus2probe   hgu133plus2cdf            gcrma      matchprobes
        "1.12.0"         "1.12.0"          "2.5.1"          "1.5.0"
            affy           affyio          Biobase            made4
        "1.11.6"          "1.1.5"        "1.11.24"          "1.7.1"
   scatterplot3d             ade4
        "0.3-24"          "1.4-1"

-- 
Aedín Culhane
Research Associate in Prof. J Quackenbush Lab
Harvard School of Public Health, Dana-Farber Cancer Institute


44 Binney Street, Mayer 232
Department of Biostatistics
Dana-Farber Cancer Institute
Boston, MA 02115
USA