Hi, Dear all, Could you please tell me how to select specified column in dataset and how to do the concentration-time profiles in R? Thank you! xiaoc [[alternative HTML version deleted]]
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. You need to supply us with some information about what you are doing and preferebly some code and data. A handy way to provide data is with dput() [see ?dput for more information] John Kane Kingston ON Canada> -----Original Message----- > From: xiaocong.zuo at gmail.com > Sent: Sun, 6 May 2012 16:44:10 +0800 > To: r-help at r-project.org > Subject: [R] how to do the concentration-time profiles in R? > > Hi, Dear all, > > Could you please tell me how to select specified column in dataset and > how > to do > the concentration-time profiles in R? > > Thank you! > > xiaoc > > [[alternative HTML version deleted]]____________________________________________________________ FREE ONLINE PHOTOSHARING - Share your photos online with your friends and family! Visit http://www.inbox.com/photosharing to find out more!
> > Hi, Dear all, > > Could you please tell me how to select specified column in dataset andhow> to domy.data[, x] my.data[, "aa"] my.data$aa> the concentration-time profiles in R?What is that? Besides you could help youself a lot reading an intro to R which I believe is in doc directory of your R installation. Regards Petr> > Thank you! > > xiaoc > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guidehttp://www.R-project.org/posting-guide.html> and provide commented, minimal, self-contained, reproducible code.