======= 2005-11-02 05:13:45 您在来信中写道：=======
>Thanks for those on the list that answered my previous question. I'm >just about where I need to be (looking at output). > >In the hier.part documentation there is a line env <- urbanwq[,2:8]. > >This means use rows 2 through 8 in the data frame "urbanwq", right? his means use columns 2 through 8 in the data frame "urbanwq" >What does the comma represent? It means the first argument to function "[" is left blank,so makes R knows 2:8 is the second argument to "[". > If one wasn't using column headers would >this be necessary? It still is necessary. > >Thanks, > >Jeff > > > >**************************************** >Jeffrey A. Stratford, Ph.D. >Postdoctoral Associate >331 Funchess Hall >Department of Biological Sciences >Auburn University >Auburn, AL 36849 >334-329-9198 >FAX 334-844-9234 >http://www.auburn.edu/~stratja > >______________________________________________ >R-help@stat.math.ethz.ch mailing list >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html = = = = = = = = = = = = = = = = = = = = 2005-11-02 ------ Deparment of Sociology Fudan University My new mail addres is [EMAIL PROTECTED] Blog:http://sociology.yculblog.com
______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
