Hi, I couldn't find any attached data. Could you dput() the data? A.K.
----- Original Message ----- From: HJ YAN <yhj...@googlemail.com> To: r-help@r-project.org Cc: Sent: Wednesday, September 5, 2012 7:57 PM Subject: [R] Summarizing data containing data/time information (as factor) Dear R user I want to create a table (as below) to summarize the attached data (Test.csv, which can be read into R by using 'read.csv(Test.csv, header=F)' ), to indicate the day that there are any data available, e.g.value=1 if there are any data available for that day, otherwise value=0. 28/04 29/04 30/04 01/05 02/05 532703 0 1 1 1 0 532704 1 1 1 1 1 532705 0 0 1 1 0 Only Column A (Names: automatically stored as integer if being read into R) and Column B (date/time: automatically stored as factor if being read into R) are useful for this task. Could anyone kindly provide me some hints/ideas about how to write some code to to this job please? Many thanks in advance! Best wishes HJ ______________________________________________ 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. ______________________________________________ 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.
