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...efseq$region=="exon") But what I would like is to print for each chromosome how many are exons and how many CDS. For example chr1 has 5 CDS and 2 exons chr2 has 10 CDS and 3 exons... Can you tell what should I add? Or if I am doing this wrong, how should I do it? Thank you, Regards, Nanami [[alternative HTML version deleted]]

...tra$start != intra$region_start and intra$end != intra$region_end. I've tried using this but I get the following error: > intra<- intra[(intra$start != intra$region_start )&&(intra$end != intra$region_end)] > head(intra) data frame with 0 columns and 6 rows Thank you, best, Nanami [[alternative HTML version deleted]]

Hi all, I have a column that has the following format: chr1:564588..564589,+ and I want to extract only the coordinates; I have tried writing a regular expression but I couldn't figure out how I should write it. Does anyone know? Thank you, Best, Nanami [[alternative HTML version deleted]]

...11 I am trying to find out if there''s a way to extract the coordinates given in the 4th column and replace this column with two others that would have the start coord and the end coord. so instead of chr1:564644..564645,+ I would obtain; start_peak end_peak 564644 564645 Best, nanami [[alternative HTML version deleted]]

...n but I get stuck when using row indices with data frames. So if I have the next data frame: df A B [1,] 1 4 [2,] 1 3 [3,] 3 5 [4,] 3 7 [5,] 4 3 [6,] 5 2 The result I would obtain(considering that when I have ), would be: df A B [1,] 1 7 [2,] 3 15 [3,] 5 2 - Nanami [[alternative HTML version deleted]]

...tried this: new <- cbind(CTSS,colsplit(CTSS$V4, ' ', c('peak_start', 'peak_end')) ) but instead of replacing the column it keeps it the same and adds two new columns at end of the columns(after 625 columns). Please let me know if you have a better solution. Thank you, Nanami <quote author='arun kirshna'> Hi, May be this helps: dat1<-read.table(text=" 0111 0214 0203 0404 1112 0513 0709 1010 0915 0813 0112 0314 0204 0504 1132 0543 0789 1020 0965 0823 ",sep="",header=FALSE,colClasses=rep("character",10)) res<-do.call...