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Dear R community members I did find a good way to merge my 200 text data files in to a single data file with one column added will show indicator for that file. filelist = list.files(pattern = "K*cd.txt") # the file names are K1cd.txt .................to K200cd.txt data_list <-lapply(filelist, read.table, header=T, comment=";", fill=T) This will create list, but this is not what I want. I want a single dataframe (all separate dataframes have same variable headings) with additional row for example ; just for example, two small datasets are cr...

I need to read csv files repeatedly, named data1.csv, data2.csv,? data24.csv, 24 altogether. That is, data<-read.csv(?data1.csv?) ? data<-read.csv(?data24.csv?) ? Is there a way to do this in a loop? Thank you. Steven from iPhone [[alternative HTML version deleted]]

Hi, I'm trying to read data from a collection of CSV files for processing and graphing. All of my files begin with "modrate" and end with ".csv". I think I have the regex working but I am stumped at trying to get read.table to work within an if statement. This works: > filepattern="modrate*" > files <- list.files(pattern=filepattern) > data