Your suspicions were correct, I just try and works perfectly. Thank you very much for your help, :-))))
Greetings, Ignacio. William Dunlap wrote: > > Message----- >> From: r-help-boun...@r-project.org >> [mailto:r-help-boun...@r-project.org] On Behalf Of David Winsemius >> Sent: Tuesday, November 24, 2009 12:22 PM >> To: yonosoyelmejor >> Cc: r-help@r-project.org >> Subject: Re: [R] Method >> >> >> On Nov 24, 2009, at 1:44 PM, yonosoyelmejor wrote: >> >> > >> > I use length(myVector),but when i want to use for example >> > exp(x.reconstruida[length(myVector)+1:length(myVector)+9]), I need > > This may have nothing to do with your original problem, > but I suspect that expression should be > exp(x.reconstruida[(length(myVector)+1):(length(myVector)+9)]) > or, equivalently, > exp(x.reconstruida[length(myVector)+(1:9)]) > (where the parentheses around 1:9 are not required but often > helpful for understanding). > > Compare > > 5+1:5+10 > [1] 16 17 18 19 20 > > (5+1):(5+10) > [1] 6 7 8 9 10 11 12 13 14 15 > > Bill Dunlap > Spotfire, TIBCO Software > wdunlap tibco.com > >> > that >> > function returns the number of last element,would then: >> > >> > if the last position of my vector is 1440 >> > >> > exp(x.reconstruida[1440+1:1440+9] > > Again, (1440+1):(1440+9) or 1440+(1:9). > >> >> So that should give you (assuming that you close the expression) a >> vector of values, "e" raised to a vector from elements 1441 to 1449, >> if such elements have already been defined and are numeric. >> > >> > This is what I need, I hope having explained, >> >> I do not think you have explained well enough. What is >> "x.reconstruida"? Does it have a longer length than myVector? >> >> Things would be much clearer if you made a small example (not 1440 >> elements long, maybe 10?). >> >> -- >> David >> > >> > A gretting, >> > Ignacio. >> > >> > Johannes Graumann-2 wrote: >> >> >> >> myVector <- c(seq(10),23,35) >> >> length(myVector) >> >> myVector[length(myVector)] >> >> >> >> it's unclear to me which of the two you want ... >> >> >> >> HTH, Joh >> >> >> >> yonosoyelmejor wrote: >> >> >> >>> >> >>> Hello, i would like to ask you another question. Is exist >> >>> anymethod to >> >>> vectors that tells me the last element?That is to say,I have a >> >>> vector, I >> >>> want to return the position of last element. I hope having >> >>> explained. >> >>> >> >>> A greeting, >> >>> Ignacio. >> >> >> >> ______________________________________________ >> >> 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. >> >> >> >> >> > >> > -- >> > View this message in context: >> http://old.nabble.com/Method-tp26493442p26499919.html >> > Sent from the R help mailing list archive at Nabble.com. >> > >> > ______________________________________________ >> > 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. >> >> David Winsemius, MD >> Heritage Laboratories >> West Hartford, CT >> >> ______________________________________________ >> 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. > > -- View this message in context: http://old.nabble.com/Method-tp26493442p26510040.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
