z<-read.table("C:/yourfile.txt",header=TRUE,as.is=TRUE); zdates<-as.POSIXct(strptime(paste(z[,2],z[,3]), "%m/%d/%Y %H:%M:%S"),origin="1970-01-01" );
I would then convert z from a dataframe to a numeric matrix, and put zdates in there as numeric too. zm<-cbind(z[,1],as.numeric(zdates),z[,4]) I am a beginner too - but have just been through this. -- View this message in context: http://n4.nabble.com/Importing-Time-Series-Data-for-an-R-Beginner-tp1589685p1589696.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.