search for: sidda

...es and renaming the column headers. I have a shell script based on awk which can do this task, but the script is taking exceptionally higher processing time. So I am looking for a script in R which can save the time. "Please revert to me if the problem description is not clear." Regards Sidda ----- Sidda Business Analyst Lead Applied Materials Inc. -- View this message in context: http://r.789695.n4.nabble.com/transforming-a-csv-file-column-names-as-per-a-particular-column-rows-using-R-code-tp4646137.html Sent from the R help mailing list archive at Nabble.com.

...ular expression like A_B*_C*.csv etc. How to make this possible in R ? I tried like this list.files(dir=".", pattern="A_B*_C*.csv") but this gives no output, whereas list.files(.... pattern="*.csv") giving all the .csv files in the output, which I do not want. Thanks Sidda -- View this message in context: http://r.789695.n4.nabble.com/listing-the-files-in-a-directory-using-regular-expressions-tp4646119.html Sent from the R help mailing list archive at Nabble.com.

...ill the same error. This particular error is hampering my entire work, other wise I found this is excellent way processing the text files at the same time reading back and forth file outputs from R to unix and vice versa. Can some one give me provide some solution to this problem ?? ----- Sidda Business Analyst Lead Applied Materials Inc. -- View this message in context: http://r.789695.n4.nabble.com/Getting-error-while-running-unix-commands-within-R-using-system-function-tp4647656.html Sent from the R help mailing list archive at Nabble.com.

...T) for(i in 2:ncol(data)) if(sd(data[,i])==0){ df[,i] <-NULL } * where I have the data columns from 2:ncol, but getting the error "Error in df[, i] <- NULL : object of type 'closure' is not subsettable" Can any one suggest the right method to accomplish this. ----- Sidda Business Analyst Lead Applied Materials Inc. -- View this message in context: http://r.789695.n4.nabble.com/Excluding-all-teh-columns-from-a-data-frame-if-the-standard-deviation-of-that-column-is-zero-0-tp4646310.html Sent from the R help mailing list archive at Nabble.com.