On 22 Sep 2005, hanweinong at yahoo.com wrote: > Hi, everybody > > > > Procedure as below: Please tell us the output of sessionInfo() so we can have some information about your platform and version info. > 1. Create a directory "npc", move all the relevant CEL files to the > directory > 2. Create a covdesc file(see attachment) and put it in the same directory > >> library(simpleaffy) >> raw.data <- read.affy() > Error in file(file, "r") : unable to open connection > In addition: Warning message: > cannot open file './covdesc' What does getwd() say? How about dir()? + seth

Hi, Seth Falcon 'simpleaffy' V 2.11 R Version 2.1.1 used in the analysis. covdesc file edited by the white-space delimited file. > library(simpleaffy) > dir() [1] "covdesc" "G05.CEL" "G09.CEL" "G10.CEL" "G12.CEL" "G15.CEL" [7] "G19.CEL" "GF.CEL" "GM.CEL" "H044.CEL" "H05.CEL" "H07.CEL" [13] "H10.CEL" "H11.CEL" "H14.CEL" "N01.CEL" "N02.CEL" "N03.CEL" > getwd() [1] "D:/npc" > raw.data<- read.affy("covdesc") Error in scan(file = file, what = what, sep = sep, quote = quote, dec = dec, : line 14 did not have 2 elements this time, what wrong with my covdesc files? please see attachment Seth Falcon <sfalcon at="" fhcrc.org=""> wrote: On 22 Sep 2005, hanweinong at yahoo.com wrote: > Hi, everybody > > > > Procedure as below: Please tell us the output of sessionInfo() so we can have some information about your platform and version info. > 1. Create a directory "npc", move all the relevant CEL files to the > directory > 2. Create a covdesc file(see attachment) and put it in the same directory > >> library(simpleaffy) >> raw.data <- read.affy() > Error in file(file, "r") : unable to open connection > In addition: Warning message: > cannot open file './covdesc' What does getwd() say? How about dir()? + seth _______________________________________________ Bioconductor mailing list Bioconductor at stat.math.ethz.ch https://stat.ethz.ch/mailman/listinfo/bioconductor Best Regards Han Weinong --------------------------------- Click here to donate to the Hurricane Katrina relief effort. -------------- next part -------------- An embedded and charset-unspecified text was scrubbed... Name: covdesc Url: https://stat.ethz.ch/pipermail/bioconductor/attachments/20050922/ 7a59f94d/covdesc.pl