Thank you Ben! This is very clear. rcoder
Ben Tupper wrote: > > > On Jul 15, 2008, at 5:16 PM, rcoder wrote: > >> >> Hi Ben, >> Yes, this is more or less what I want to do. I want to apply this >> data in >> columns in a matrix, and insert the results to additional columns. >> I am not >> entirely aware of a good way of doing this. >> >> e.g. take data from column B, apply normalisation, and feed output >> into >> column C >> > > Oh, > > I think you want to use cbind() to add columns to a matrix. Perhaps > like this which works with the second column... > > v <- matrix(data = rnorm(100), nrow = 10, ncol = 10) > mm <- range(v[,2]) > s <- 10 * (v[,2]-mm[1])/(mm[2]-mm[1]) > v2 <- cbind(v, s) > > Cheers, > Ben > > > >> Thanks, >> >> rcoder >> >> >> >> Ben Tupper wrote: >>> >>> >>> On Jul 15, 2008, at 8:16 AM, rcoder wrote: >>> >>>> >>>> Hi everyone, >>>> >>>> I want to score a set of data (-ve to +ve) using a 0-10 scale. I >>>> have the >>>> data in an R matrix, so I need to add another column, containing >>>> the scores >>>> and resave. >>>> >>> >>> Hi, >>> >>> I am a little fuzzy on what you are asking, but my guess is that you >>> want to normalize the data into the 0-1 range then multiply by 10. >>> >>> values <- rnorm(10) #some numbers >>> mm <- range(values) #the minmax range >>> scaled <- (values-mm[1])/(mm[2]-mm[1]) #normalize into 0-1 >>> scaled10 <- 10 * scaled #scale 0-10 >>> >>> Is that what you seek? >>> Ben >>> >>> ______________________________________________ >>> [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. >>> >>> >> >> -- >> View this message in context: http://www.nabble.com/Mapping-data- >> onto-score-tp18463695p18475083.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> [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. > > Ben Tupper > [EMAIL PROTECTED] > > I GoodSearch for Ashwood Waldorf School. > > Raise money for your favorite charity or school just by searching the > Internet with GoodSearch - www.goodsearch.com - powered by Yahoo! > > ______________________________________________ > [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. > > -- View this message in context: http://www.nabble.com/Mapping-data-onto-score-tp18463695p18476293.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ [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.
