index is definitely defined in my version ( 2.4.0) because when I do ?index, I get info. Maybe you Are using an older or younger version of R ? I'm really not sure why you are experiencing that problem.
-----Original Message----- From: Patrick Wang [mailto:[EMAIL PROTECTED] Sent: Thursday, May 17, 2007 8:44 PM To: Leeds, Mark (IED) Cc: Patrick Wang; [email protected] Subject: RE: [R] Split a vector(list) into 3 list Thanks, no index function was defined in R. I try to use the split(order(temp), temp), the number of groups are correct, however the result doesnot seem to be correct. I try to match before the ordered index and the original index. Pat > If temp is your vector then split(index(temp),temp) will give you > what you want. > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Patrick Wang > Sent: Thursday, May 17, 2007 8:15 PM > To: [email protected] > Subject: [R] Split a vector(list) into 3 list > > Hi, > > I have a vector contains values 1,2,3. > > Can I call a function split to split it into 3 vectors with 1 > corresponds to value ==1, which contain all the indexes for value==1. > > 2 corresponds to value ==2 which contain all the indexes for value=2 > > Thanks > pat > > ______________________________________________ > [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 > and provide commented, minimal, self-contained, reproducible code. > -------------------------------------------------------- > > This is not an offer (or solicitation of an offer) to buy/sell the > securities/instruments mentioned or an official confirmation. Morgan > Stanley may deal as principal in or own or act as market maker for > securities/instruments mentioned or may advise the issuers. This is > not research and is not from MS Research but it may refer to a > research analyst/research report. Unless indicated, these views are > the author's and may differ from those of Morgan Stanley research or > others in the Firm. We do not represent this is accurate or complete > and we may not update this. Past performance is not indicative of > future returns. For additional information, research reports and > important disclosures, contact me or see > https://secure.ms.com/servlet/cls. You should not use e-mail to > request, authorize or effect the purchase or sale of any security or > instrument, to send transfer instructions, or to effect any other > transactions. We cannot guarantee that any such requests received via > e-mail will be processed in a timely manner. This communication is > solely for the addressee(s) and may contain confidential information. > We do not waive confidentiality by mistransmission. Contact me if you > do not wish to receive these communications. In the UK, this > communication is directed in the UK to those persons who are market > counterparties or intermediate customers (as defined in the UK Financial Services Authority's rules). > -------------------------------------------------------- This is not an offer (or solicitation of an offer) to buy/se...{{dropped}} ______________________________________________ [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 and provide commented, minimal, self-contained, reproducible code.
