Spencer Graves wrote: > Access list items using "[[". "res[1]" is a list with only one > attribute. "res[1][1]" is the same list with only one attributre. > "res[[1]]" is the first attribute of that list, so res[[1]][1] in your > example should be 3.125. > > spencer graves > > Tolga Uzuner wrote: > >> Berton Gunter wrote: >> >> >>> Please read "An Introduction to R" and the help file for "[", where >>> this is >>> explained. If you want to use R, you need to expend effort to learn it. >>> >>> -- Bert Gunter >>> -----Original Message----- >>> From: [EMAIL PROTECTED] >>> [mailto:[EMAIL PROTECTED] On Behalf Of Tolga Uzuner >>> Sent: Saturday, July 02, 2005 4:41 PM >>> To: [email protected] >>> Subject: [R] jagged array >>> >>> Hi, >>> >>> I have a "jagged array" which looks like this: >>> >>> >>>> res >>> >>> >>> ... >>> [[996]] >>> [1] 1.375 3.375 4.125 4.625 4.875 4.875 6.625 7.125 8.875 >>> >>> [[997]] >>> [1] 1.875 5.125 6.875 7.875 9.875 >>> >>> [[998]] >>> [1] 1.875 5.375 6.625 6.875 8.125 9.375 9.625 >>> >>> [[999]] >>> [1] 1.875 6.875 9.875 >>> >>> [[1000]] >>> [1] 1.875 6.125 6.875 9.375 9.625 >>> >>> >>> Now, I want to use the first row,so I say res[1] >>> >>> >>>> res[1] >>> >>> >>> [[1]] >>> [1] 3.125 4.375 4.625 5.125 5.375 6.375 6.875 7.875 9.125 9.125 >>> 9.375 9.375 >>> >>> How do I access, an element within this ? I try >>> >>> >>>> res[1][1] >>> >>> >>> [[1]] >>> [1] 3.125 4.375 4.625 5.125 5.375 6.375 6.875 7.875 9.125 9.125 >>> 9.375 9.375 >>> >>> which returns the same vector.. ??? How do I "get to" 3.125 ? >>> >>> Thanks >>> >>> ______________________________________________ >>> [email protected] mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-help >>> PLEASE do read the posting guide! >>> http://www.R-project.org/posting-guide.html >>> >>> >>> >>> >>> >> >> tx >> >> ______________________________________________ >> [email protected] mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide! >> http://www.R-project.org/posting-guide.html > > Many thanks, Tolga
______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
