Question: how to revert to an older limma version?
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ADD COMMENTlink modified 12.0 years ago • written 12.0 years ago by Maya Bercovich50
Answer: how to revert to an older limma version?
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Kasper Daniel Hansen6.4k wrote:
On Jul 8, 2007, at 6:54 AM, Maya Bercovich wrote: > Dear Sirs, > > How can I revert to an older limma version? > > Typing "install.packages("limma")" in R gives a list of mirrors. How > can I install the version I want after I obtain and untar the file > (e.g, > limma_2.9.1.tar.gz)? Not every version is kept around. You could try to see if 2.9.1 is part of a stable Bioc release. But in general I am not aware of how you can get any arbitrary old version of a package. When you have the tarball use # R CMD INSTALL limma.... from the command line (and if that is not enough, look in this email list, the manual and the faqs for the numerous help available on this subject). > I am running R 2.5.0 on a Linux machine (CentOS 5). When using > limma it > will not go past the read.maimages command. > > I get this error: > > Error in readGenericHeader(fullname, columns = columns, sep = sep) : > Specified column headings not found in file If you read this message carefully it seems that limma is looking for some columns in the file which does not exists. > In addition: Warning message: > input string 1 is invalid in this locale in: grep(pattern, x, > ignore.case, extended, value, fixed, useBytes) Coupled with this warning I guess that the first characters in your file are non-standard for example using a different alphabet or whatever. You should look carefully at the file in order to see what the error is. It could also be the local you are using: is he using english and you are using a different language? > I was told by a colleague that this may be due to my limma version. > > I try to use limma 2.10.5 and he uses 2.9.1 > > Could this be the reason? Perhaps, but I doubt it. > > Thanks in advance > > Maya > > > > > [[alternative HTML version deleted]] > > _______________________________________________ > Bioconductor mailing list > Bioconductor at stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor > Search the archives: http://news.gmane.org/ > gmane.science.biology.informatics.conductor
ADD COMMENTlink written 12.0 years ago by Kasper Daniel Hansen6.4k
Also if installing a previous version check in R that it is installed with sessionInfo(). You might want to check the changeLog(n=100) to see if readGenericHeader has been changed in recent package releases. You can obtain some old archived releases at; http://bioinf.wehi.edu.au/limma/ and http://www.bioconductor.org/download/oldrelease for some past BioC stable releases. Marcus On 9/7/07 4:42 AM, "Kasper Daniel Hansen" <khansen at="" stat.berkeley.edu=""> wrote: > > On Jul 8, 2007, at 6:54 AM, Maya Bercovich wrote: > >> Dear Sirs, >> >> How can I revert to an older limma version? >> >> Typing "install.packages("limma")" in R gives a list of mirrors. How >> can I install the version I want after I obtain and untar the file >> (e.g, >> limma_2.9.1.tar.gz)? > > Not every version is kept around. You could try to see if 2.9.1 is > part of a stable Bioc release. But in general I am not aware of how > you can get any arbitrary old version of a package. When you have the > tarball use > # R CMD INSTALL limma.... > from the command line (and if that is not enough, look in this email > list, the manual and the faqs for the numerous help available on this > subject). > >> I am running R 2.5.0 on a Linux machine (CentOS 5). When using >> limma it >> will not go past the read.maimages command. >> >> I get this error: >> >> Error in readGenericHeader(fullname, columns = columns, sep = sep) : >> Specified column headings not found in file > > If you read this message carefully it seems that limma is looking for > some columns in the file which does not exists. > >> In addition: Warning message: >> input string 1 is invalid in this locale in: grep(pattern, x, >> ignore.case, extended, value, fixed, useBytes) > > Coupled with this warning I guess that the first characters in your > file are non-standard for example using a different alphabet or > whatever. > > You should look carefully at the file in order to see what the error is. > > It could also be the local you are using: is he using english and you > are using a different language? > >> I was told by a colleague that this may be due to my limma version. >> >> I try to use limma 2.10.5 and he uses 2.9.1 >> >> Could this be the reason? > > Perhaps, but I doubt it. > >> >> Thanks in advance >> >> Maya >> >> >> >> >> [[alternative HTML version deleted]] >> >> _______________________________________________ >> Bioconductor mailing list >> Bioconductor at stat.math.ethz.ch >> https://stat.ethz.ch/mailman/listinfo/bioconductor >> Search the archives: http://news.gmane.org/ >> gmane.science.biology.informatics.conductor > > _______________________________________________ > Bioconductor mailing list > Bioconductor at stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor > Search the archives: > http://news.gmane.org/gmane.science.biology.informatics.conductor ______________________________________________________ The contents of this e-mail are privileged and/or confidenti...{{dropped}}
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Answer: how to revert to an older limma version?
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Seth Falcon7.4k
Seth Falcon7.4k wrote:
"Maya Bercovich" <mayab at="" tauex.tau.ac.il=""> writes: > See bellow and thank you so much. In general, I would recommend using the most recent version of limma. It would be helpful to include the output of sessionInfo() after the error occurs. The error message does suggest a locale or encoding mismatch. Can you try setting your locale to "C": Sys.setlocale(locale="C") + seth -- Seth Falcon | Computational Biology | Fred Hutchinson Cancer Research Center http://bioconductor.org
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Answer: how to revert to an older limma version?
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Answer: how to revert to an older limma version?
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Martin Morgan ♦♦ 23k
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Martin Morgan ♦♦ 23k wrote:
Hi Maya -- Here are my suggestions. Most important, cut and paste command and results from your R session, so that we can see what is going on 1. Please, please include the output of sessionInfo(). You can cut and paste this from your R session into the email. Do this after you have reproduced the error. 2. Report the exact command that causes the error, and error message. Do this by copying and pasting the relevant portions of your R session. For instance, we do not yet know whether you provide your own column names, or what type of files you are trying to read. 3. After the error occurs, run the command traceback() and include the results. This shows where the error likely occured 4. evaluate the command > oldOpt = options(warn=2) (this will cause the warning to become an error), rerun the command and report the results of traceback(). This will indicate where the suspicious warning about 'grep' occurs. 5. Does the error occur when only some files are used for input, or does it occur with any file? If it is with only some files, then can you verify that the column names are present in those files? Can you determine the character encoding of those file, for instance by opening them in a browser such as firefox and looking at View --> Character encoding. Martin "Maya Bercovich" <mayab at="" tauex.tau.ac.il=""> writes: > -----Original Message----- > From: Seth Falcon [mailto:sfalcon at fhcrc.org] > Sent: 09 July, 2007 11:18 PM > To: Maya Bercovich > Cc: Marcus Davy; Kasper Daniel Hansen; bioconductor at stat.math.ethz.ch > Subject: Re: [BioC] how to revert to an older limma version? > > "Maya Bercovich" <mayab at="" tauex.tau.ac.il=""> writes: > >> See bellow and thank you so much. > > In general, I would recommend using the most recent version of limma. > It would be helpful to include the output of sessionInfo() after the > error occurs. The error message does suggest a locale or encoding > mismatch. Can you try setting your locale to "C": > > Sys.setlocale(locale="C") > > I tried it, and I still get the same error. Any more suggestions? > > Appreciate your assistance, > > Maya > > > > + seth > > -- > Seth Falcon | Computational Biology | Fred Hutchinson Cancer Research > Center > http://bioconductor.org > > _______________________________________________ > Bioconductor mailing list > Bioconductor at stat.math.ethz.ch > https://stat.ethz.ch/mailman/listinfo/bioconductor > Search the archives: http://news.gmane.org/gmane.science.biology.informatics.conductor -- Martin Morgan Bioconductor / Computational Biology http://bioconductor.org
ADD COMMENTlink written 12.0 years ago by Martin Morgan ♦♦ 23k
Answer: how to revert to an older limma version?
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gravatar for Maya Bercovich
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Maya Bercovich50 wrote:
-----Original Message----- From: Seth Falcon [mailto:sfalcon@fhcrc.org] Sent: 09 July, 2007 11:18 PM To: Maya Bercovich Cc: Marcus Davy; Kasper Daniel Hansen; bioconductor at stat.math.ethz.ch Subject: Re: [BioC] how to revert to an older limma version? "Maya Bercovich" <mayab at="" tauex.tau.ac.il=""> writes: > See bellow and thank you so much. In general, I would recommend using the most recent version of limma. It would be helpful to include the output of sessionInfo() after the error occurs. The error message does suggest a locale or encoding mismatch. Can you try setting your locale to "C": Sys.setlocale(locale="C") I tried it, and I still get the same error. Any more suggestions? Appreciate your assistance, Maya + seth -- Seth Falcon | Computational Biology | Fred Hutchinson Cancer Research Center http://bioconductor.org
ADD COMMENTlink written 12.0 years ago by Maya Bercovich50
Answer: how to revert to an older limma version?
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gravatar for Martin Morgan
12.0 years ago by
Martin Morgan ♦♦ 23k
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Martin Morgan ♦♦ 23k wrote:
Hi Maya -- Providing sessionInfo and a transcript of your session really helped. Please see the comments below. I am responding to the list, so that others may benefit. Martin "Maya Bercovich" <mayab at="" tauex.tau.ac.il=""> writes: > -----Original Message----- > From: Martin Morgan [mailto:mtmorgan at fhcrc.org] > Sent: 10 July, 2007 3:58 PM > To: Maya Bercovich > Cc: Seth Falcon; bioconductor at stat.math.ethz.ch > Subject: Re: [BioC] how to revert to an older limma version? > > Hi Maya -- Here are my suggestions. Most important, cut and paste > command and results from your R session, so that we can see what is > going on > > 1. Please, please include the output of sessionInfo(). You can cut and > paste this from your R session into the email. Do this after you > have reproduced the error. > >> sessionInfo() > R version 2.5.0 (2007-04-23) > i686-redhat-linux-gnu > > locale: > LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_ US.U > TF-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;L C_ID > ENTIFICATION=C > > attached base packages: > [1] "tools" "tcltk" "stats" "graphics" "grDevices" "utils" > [7] "datasets" "methods" "base" > > other attached packages: > Biobase reldist marray tkWidgets DynDoc widgetTools > "1.14.0" "1.5-5" "1.14.0" "1.14.0" "1.14.0" "1.12.0" > limma > "2.10.5" This is really helpful. Here's where my system starts: > sessionInfo() R version 2.6.0 Under development (unstable) (2007-07-09 r42160) x86_64-unknown-linux-gnu locale: LC_CTYPE=en_US;LC_NUMERIC=C;LC_TIME=en_US;LC_COLLATE=en_US;LC_MONETARY =en_US;LC_MESSAGES=en_US;LC_PAPER=en_US;LC_NAME=C;LC_ADDRESS=C;LC_TELE PHONE=C;LC_MEASUREMENT=en_US;LC_IDENTIFICATION=C Notice that these are en_US, whereas yours are en_US.UTF-8 > 2. Report the exact command that causes the error, and error message. > Do this by copying and pasting the relevant portions of your R > session. For instance, we do not yet know whether you provide your > own column names, or what type of files you are trying to read. > > The Data file is a GenePix output gpr file > > The commands I'm running and error message: > > >> library(limma) >> library(marray) > Loading required package: tkWidgets > Loading required package: widgetTools > Loading required package: tcltk > Loading Tcl/Tk interface ... done > Loading required package: DynDoc >> library(reldist) > Relative Distribution Methods > Version 1.5-5 created on April 1, 2006. > copyright (c) 2003, Mark S. Handcock, University of Washington > Martina Morris, University of Washington > Type help(package="reldist") to get started. >> library(Biobase) > Loading required package: tools > > Welcome to Bioconductor > > Vignettes contain introductory material. To view, type > 'openVignette()'. To cite Bioconductor, see > 'citation("Biobase")' and for packages 'citation(pkgname)'. > >> setwd("/mnt/lifestore/Biotech/DannyS_Shared/Users/Revital/ssdp/") >> path<-"/mnt/lifestore/Biotech/DannyS_Shared/Users/Revital/ssdp/" >> >> targets.RG1 <- readTargets("ssdpA270607.txt") >> >> targets.RG2 <- readTargets("ssdpB270607.txt") >> >> RG1 <- read.maimages(targets.RG1$Filename, > columns=list(Rf="F635Median",Gf="F532Median",Rb="B635Median",Gb="B53 2Med > ian"), path=path) > Error in readGenericHeader(fullname, columns = columns, sep = sep) : > Specified column headings not found in file > In addition: Warning message: > input string 1 is invalid in this locale in: grep(pattern, x, > ignore.case, extended, value, fixed, useBytes) Thanks for the files you forwarded (not included in this response). When I do > setwd("~/tmp") > library(limma) > targets.RG1 <- readTargets("ssdpA270607.txt") > fname <- targets.RG1$Filename[[1]] > fname [1] "B12Z0471_A.gpr" The file name has lower-case 'gpr', but the file you sent has upper-csae GPR, so > columns <- list(Rf="F635Median",Gf="F532Median", + Rb="B635Median",Gb="B532Median") > read.maimages(fname, columns=columns) Error in file(file, "r") : unable to open connection In addition: Warning message: In file(file, "r") : cannot open file 'B12Z0471_A.gpr', reason 'No such file or directory' on the other hand > fname <- toupper(fname) > res <- read.maimages(fname, columns=columns) Read B12Z0471_A.GPR So far so good. One point is that these are genepix files, so that a better way to read the files might be > res <- read.maimages(fname, "genepix.custom", columns=columns) Custom background: LocalFeature Read B12Z0471_A.GPR This reads information about the printer as well, which can be useful during normalization. I now change my system local to be like yours > Sys.setlocale("LC_ALL", "en_US.UTF-8") [1] "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;LC_PAPER=en_US;L C_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US;LC_IDENTIFIC ATION=C" and try to read the files > read.maimages(fname, columns=columns) Error in readGenericHeader(fullname, columns = columns, sep = sep) : Specified column headings not found in file In addition: Warning message: In grep(a, txt) : input string 1 is invalid in this locale Ah ha! This seems to be the problem. So set the locale to "en_US" > Sys.setlocale("LC_ALL", "en_US") [1] "LC_CTYPE=en_US;LC_NUMERIC=C;LC_TIME=en_US;LC_COLLATE=en_US;LC_MON ETARY=en_US;LC_MESSAGES=en_US;LC_PAPER=en_US;LC_NAME=C;LC_ADDRESS=C;LC _TELEPHONE=C;LC_MEASUREMENT=en_US;LC_IDENTIFICATION=C" > res <- read.maimages(fname, columns=columns) Read B12Z0471_A.GPR Does this work for you? Alternatively here's an interesting solution that 'just works': > Sys.setlocale("LC_ALL", "en_US.UTF-8") [1] "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;LC_PAPER=en_US;L C_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US;LC_IDENTIFIC ATION=C" > res <- read.maimages(fname, "genepix.custom", columns=columns) Custom background: LocalFeature Read B12Z0471_A.GPR I'll just delve a little further, and see if we can figure out where that warning message is coming from: > options(warn=2) > res <- read.maimages(fname, columns=columns) Error in grep(a, txt) : (converted from warning) input string 1 is invalid in this locale setting warn=2 causes the warning to become an error. Here's where the error occurs (I've edited frame 2 with [...] to shorten the presentation): > traceback() 8: doWithOneRestart(return(expr), restart) 7: withOneRestart(expr, restarts[[1]]) 6: withRestarts({ .Internal(.signalCondition(simpleWarning(msg, call), msg, call)) .Internal(.dfltWarn(msg, call)) }, muffleWarning = function() NULL) 5: .signalSimpleWarning("input string 1 is invalid in this locale", quote(grep(a, txt))) 4: grep(a, txt) 3: readGenericHeader(fullname, columns = columns, sep = sep) 2: switch(source2, quantarray = { [...] }, { skip <- readGenericHeader(fullname, columns = columns, sep = sep)$NHeaderRecords obj <- read.columns(fullname, required.col, text.to.search, skip = skip, sep = sep, quote = quote, as.is = TRUE, fill = TRUE, flush = TRUE, ...) nspots <- nrow(obj) }) 1: read.maimages(fname, columns = columns) Frame 4 is where the grep statement is, it's inside readGenericHeader. Here's readGenericHeader: > readGenericHeader function (file, columns, sep = "\t") { if (missing(columns) || !length(columns)) stop("must specify column headings to find") columns <- protectMetachar(as.character(columns)) if (!length(columns)) stop("column headings must be specified") con <- file(file, "r") on.exit(close(con)) out <- list() Found <- FALSE i <- 0 repeat { i <- i + 1 txt <- readLines(con, n = 1) if (!length(txt)) stop("Specified column headings not found in file") Found <- TRUE for (a in columns) Found <- Found && length(grep(a, txt)) if (Found) break } out$NHeaderRecords <- i - 1 out$ColumnNames <- strsplit(txt, split = sep)[[1]] out } <environment: namespace:limma=""> The 'grep' is toward the end, and is in a loop that looks at each column name and compares it with the tab-delimited line of headings from the gpr file. A little bit more snooping shows that the header line has a field 'Rgn R^2 (635/532)', where the 'R^2' is rendered with a superscripted '2'. This causes the problem. In UTF-8 it is represented as "\xb2"; I don't know enough about locales to know what this means. The header line is read in a few lines above, with txt <- readLines(con, n = 1) The help page for readLines indicates that there is an argument 'encoding'. We 'know' (experience, I guess) that the file is in 'latin1', and in fact changing the readLine to txt <- readLines(con, n = 1, encoding="latin1") allows readGenericHeader to work correctly: > res <- readGenericHeader(fname, columns) > I really don't know if this is the 'right' long-term solution for limma or other package maintainers. Martin > 3. After the error occurs, run the command traceback() and include the > results. This shows where the error likely occured > > After I got the error: > >> oldOpt=options(warn=2) >> traceback() > 4: stop("Specified column headings not found in file") > 3: readGenericHeader(fullname, columns = columns, sep = sep) > 2: switch(source2, quantarray = { > firstfield <- scan(fullname, what = "", sep = "\t", flush = TRUE, > quiet = TRUE, blank.lines.skip = FALSE, multi.line = FALSE, > allowEscapes = FALSE) > skip <- grep("Begin Data", firstfield) > if (length(skip) == 0) > stop("Cannot find \"Begin Data\" in image output file") > nspots <- grep("End Data", firstfield) - skip - 2 > obj <- read.columns(fullname, required.col, text.to.search, > skip = skip, sep = sep, quote = quote, as.is = TRUE, > fill = TRUE, nrows = nspots, flush = TRUE, ...) > }, arrayvision = { > skip <- 1 > cn <- scan(fullname, what = "", sep = sep, quote = quote, > skip = 1, nlines = 1, quiet = TRUE, allowEscape = FALSE) > fg <- grep(" Dens - ", cn) > if (length(fg) != 2) > stop(paste("Cannot find foreground columns in", fullname)) > bg <- grep("^Bkgd$", cn) > if (length(bg) != 2) > stop(paste("Cannot find background columns in", fullname)) > columns <- list(R = fg[1], Rb = bg[1], G = fg[2], Gb = bg[2]) > obj <- read.columns(fullname, required.col, text.to.search, > skip = skip, sep = sep, quote = quote, as.is = TRUE, > fill = TRUE, flush = TRUE, ...) > fg <- grep(" Dens - ", names(obj)) > bg <- grep("^Bkgd$", names(obj)) > columns <- list(R = fg[1], Rb = bg[1], G = fg[2], Gb = bg[2]) > nspots <- nrow(obj) > }, bluefuse = { > skip <- readGenericHeader(fullname, columns = c(columns$G, > columns$R))$NHeaderRecords > obj <- read.columns(fullname, required.col, text.to.search, > skip = skip, sep = sep, quote = quote, as.is = TRUE, > fill = TRUE, flush = TRUE, ...) > nspots <- nrow(obj) > }, genepix = { > h <- readGPRHeader(fullname) > if (verbose && source == "genepix.custom") > cat("Custom background:", h$Background, "\n") > skip <- h$NHeaderRecords > obj <- read.columns(fullname, required.col, text.to.search, > skip = skip, sep = sep, quote = quote, as.is = TRUE, > fill = TRUE, flush = TRUE, ...) > nspots <- nrow(obj) > }, smd = { > skip <- readSMDHeader(fullname)$NHeaderRecords > obj <- read.columns(fullname, required.col, text.to.search, > skip = skip, sep = sep, quote = quote, as.is = TRUE, > fill = TRUE, flush = TRUE, ...) > nspots <- nrow(obj) > }, { > skip <- readGenericHeader(fullname, columns = columns, sep = > sep)$NHeaderRecords > obj <- read.columns(fullname, required.col, text.to.search, > skip = skip, sep = sep, quote = quote, as.is = TRUE, > fill = TRUE, flush = TRUE, ...) > nspots <- nrow(obj) > }) > 1: read.maimages(targets.RG1$Filename, columns = list(Rf = "F635Median", > Gf = "F532Median", Rb = "B635Median", Gb = "B532Median"), > path = path) > > > 4. evaluate the command > >> oldOpt = options(warn=2) > > (this will cause the warning to become an error), rerun the command > and report the results of traceback(). This will indicate where the > suspicious warning about 'grep' occurs. > > 5. Does the error occur when only some files are used for input, or > does it occur with any file? If it is with only some files, then > can you verify that the column names are present in those files? > Can you determine the character encoding of those file, for > instance by opening them in a browser such as firefox and looking > at View --> Character encoding. > > This occurs with any file. I attached an example of one of them > (B12Z0471_A.GPR), and one of the targets files, in case you would like > to make a test run. The column names are present. > Character encoding: Western (ISO-8859-1). > > > Thanks for your assistance. > > Martin > > "Maya Bercovich" <mayab at="" tauex.tau.ac.il=""> writes: > >> -----Original Message----- >> From: Seth Falcon [mailto:sfalcon at fhcrc.org] >> Sent: 09 July, 2007 11:18 PM >> To: Maya Bercovich >> Cc: Marcus Davy; Kasper Daniel Hansen; bioconductor at stat.math.ethz.ch >> Subject: Re: [BioC] how to revert to an older limma version? >> >> "Maya Bercovich" <mayab at="" tauex.tau.ac.il=""> writes: >> >>> See bellow and thank you so much. >> >> In general, I would recommend using the most recent version of limma. >> It would be helpful to include the output of sessionInfo() after the >> error occurs. The error message does suggest a locale or encoding >> mismatch. Can you try setting your locale to "C": >> >> Sys.setlocale(locale="C") >> >> I tried it, and I still get the same error. Any more suggestions? >> >> Appreciate your assistance, >> >> Maya >> >> >> >> + seth >> >> -- >> Seth Falcon | Computational Biology | Fred Hutchinson Cancer Research >> Center >> http://bioconductor.org >> >> _______________________________________________ >> Bioconductor mailing list >> Bioconductor at stat.math.ethz.ch >> https://stat.ethz.ch/mailman/listinfo/bioconductor >> Search the archives: > http://news.gmane.org/gmane.science.biology.informatics.conductor > > -- > Martin Morgan > Bioconductor / Computational Biology > http://bioconductor.org > > -- Martin Morgan Bioconductor / Computational Biology http://bioconductor.org
ADD COMMENTlink written 12.0 years ago by Martin Morgan ♦♦ 23k
Answer: how to revert to an older limma version?
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12.0 years ago by
Martin Morgan ♦♦ 23k
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Martin Morgan ♦♦ 23k wrote:
Hi Maya -- I am glad that Sys.setlocale("LC_ALL", "en_US") allowed you to read most files. >> RG1 <-read.maimages(targets.RG1$Filename,columns=list(Rf="F635Media n",Gf="F532Median",Rb="B635Median",Gb="B532Median"), path=path) > > Read /mnt/lifestore/Biotech/DannyS_Shared/Users/Revital/ssdp//B12Z04 71_A.gpr > > (?all the other .gpr files are read, until: ) > > Read /mnt/lifestore/Biotech/DannyS_Shared/Users/Revital/ssdp//B12J05 04_A.gpr > > Error in readGenericHeader(fullname, columns = columns) : > > ??????? Specified column headings not found in file I guess the obvious question is: are the column names present in the .gpr file? The files are processed in the order given in targts.RG1$Filename, so you can figure out which file is causing problems, open it in a text editor and look for the column names that you provide. Do NOT use your text editor's 'Save' function, as this could make unexpected changes to the file. Two e-mail tips: 1. Use 'reply all' or similar to reply to the list. This keeps the email in 'threads' that make it possible to follow different issues (see the archive at https://stat.ethz.ch/pipermail/bioconductor/2007-July/thread.html for examples of this) 2. With 'Reply all', most email clients will insert a '>' at the start of each line. This is very helpful to follow different conversations, for example: >> First email > Second email, responding to first email Third email, responding to first Best of luck, -- Martin Morgan Bioconductor / Computational Biology http://bioconductor.org
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12.0 years ago by
Maya Bercovich50 wrote:
Hi Maya -- I am glad that Sys.setlocale("LC_ALL", "en_US") allowed you to read most files. I apologize for the delayed response, I was away with no access to my email or the internet. >> RG1 <-read.maimages(targets.RG1$Filename,columns=list(Rf="F635Media n",Gf="F532Median",Rb="B635Median",Gb="B532Median"), path=path) > > Read /mnt/lifestore/Biotech/DannyS_Shared/Users/Revital/ssdp//B12Z04 71_A.gpr > > (...all the other .gpr files are read, until: ) > > Read /mnt/lifestore/Biotech/DannyS_Shared/Users/Revital/ssdp//B12J05 04_A.gpr > > Error in readGenericHeader(fullname, columns = columns) : > > ??????? Specified column headings not found in file I guess the obvious question is: are the column names present in the .gpr file? The files are processed in the order given in targts.RG1$Filename, so you can figure out which file is causing problems, open it in a text editor and look for the column names that you provide. Do NOT use your text editor's 'Save' function, as this could make unexpected changes to the file. The problem is now solved. It turned out that the file that caused the problems was originally created in Windows. It was re-created in a Linux text editor and it's fine! To sum up, the first problem was an R locale problem and the second a simple "dos to Unix". Thank you so much for your help, it saved our PhD student's project. Two e-mail tips: 1. Use 'reply all' or similar to reply to the list. This keeps the email in 'threads' that make it possible to follow different issues (see the archive at https://stat.ethz.ch/pipermail/bioconductor/2007-July/thread.html for examples of this) 2. With 'Reply all', most email clients will insert a '>' at the start of each line. This is very helpful to follow different conversations, for example: >> First email > Second email, responding to first email Third email, responding to first Thanks for that, too. Best, Maya Best of luck, -- Martin Morgan Bioconductor / Computational Biology http://bioconductor.org
ADD COMMENTlink written 12.0 years ago by Maya Bercovich50
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