search for: sashi

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2011 Mar 23
4
Modifying a particular column in a tab-delimited file
...When I say edit I mean just replacing all the values in that column. I know to read a particular column from a file using colClasses option in read.delim() function. Is there any such option to write out a column into an already existing file using write.table() function ?? Thanks for your time -Sashi [[alternative HTML version deleted]]
2010 Dec 28
4
Reading sas7bdat files into R
...() function. temp <- sasxport.get("path\abcd.sas7bdat") I get an error that says "Error in lookup.xport(file) : file not in SAS transfer format" I am not familiar with SAS transfer format. Could somebody please clarify what is it that I am missing, Thanks for your time, Sashi
2010 Dec 09
4
lapply getting names of the list
...rite each of the element in the list obtained after split into a file, the column names would have names like A1.Name, A1.SampleID, A1.Al1, ….. Can I get rid of “A1” in the column names within the lapply (other than reading in the file again and changing the names) ? Thanks for your time, Regards Sashi [[alternative HTML version deleted]]
2012 May 04
2
read.table() vs read.delim() any difference??
...ine alone has 30 fields and rest of the rows have 9 fields. I am now just wondering why read.delim() function was able to read in the file correctly and read.table() wasn't able to read the file completely ? Could anyone please throw some light on this? Thanks for your valuable time, Regards Sashi [[alternative HTML version deleted]]
2010 Oct 09
1
ncdf installation in R
...u arch x86_64 os linux-gnu system x86_64, linux-gnu status major 2 minor 11.1 year 2010 month 05 day 31 svn rev 52157 language R version.string R version 2.11.1 (2010-05-31) Your help is appreciated. Thanks Sashi [[alternative HTML version deleted]]
2010 Nov 05
0
NaN, ncdf
...yte)" [1] "put.var.ncdf: calling C routines with C-style count=" [1] 1 6 [1] "and C-style start=" [1] 0 0 Error in put.var.ncdf(nc, "genotype", genovals, start = c(1, 1), count = c(6, : NA/NaN/Inf in foreign function call (arg 5) Thanks for your time, Regards Sashi
2011 Sep 12
1
Problem in put.var.ncdf
...put.var.ncdf(spi, var.spi.24.03.me, spi24.me) : NA/NaN/Inf in foreign function call (arg 5) I can exclude an error in length (dim.time.spi and spi24.me have the same length) or NA (there are no NA in the spi24.me vector). Where is the error?? The code seems so simple.. I found a similar post of Sashi Challa on Thu, 04 Nov 2010 22:09:23 -0700, but there was unfortunately no answer. Thanks your help! claudia
2010 Feb 27
1
R from Java (cluster heatmaps)
...to do it ? I want to be able to pass the matrix into R, compute a distance matrix using dist() and then plot hierarchial cluster using hclust() and then further plot cluster heatmaps calling the bioconductor library. Is Rserve enough for this or will I also need rJava ? Please Reply Thanks -- Sashikiran Challa MS Cheminformatics, School of Informatics and Computing, Indiana University, Bloomington,IN schalla@indiana.edu 812-606-3254 [[alternative HTML version deleted]]
2010 Feb 27
0
pass an array of array from Java to R- Rserve
hello all, Could someone please tell me how should I pass a double[][] (matrix of any size) that I have in Java, into R using Rserve. Thanks Sashikiran -- Sashikiran Challa MS Cheminformatics, School of Informatics and Computing, Indiana University, Bloomington,IN schalla@indiana.edu 812-606-3254 [[alternative HTML version deleted]]