Dear David, This information is very helpful, thanks.
Best, Shige On Wed, Oct 28, 2009 at 10:55 AM, David Winsemius <dwinsem...@comcast.net>wrote: > > On Oct 28, 2009, at 10:18 AM, David Winsemius wrote: > > You might want to take a look at this article by WEI, PERE, KOENKER, AND >> HE. Its in the research files of Koenker who is a regular contributor to >> R-help: >> >> http://www.econ.uiuc.edu/~roger/research/growth/growth.pdf<http://www.econ.uiuc.edu/%7Eroger/research/growth/growth.pdf> >> >> In particular it mentions lmsqreg, which would be a package that >> implements the L M S methodology used by the CDC to produce these files. the >> above paper discusses that package as a starting point and then offers an >> alternative using quantreg. >> >> The lmsqreg package can be acquired with this code: >> >> install.packages("lmsqreg", repos="http://R-Forge.R-project.org";) >> library(lmsqreg) >> >> There is a function, zscores, that might illustrate how to apply the L, M, >> S columns in those CDC datasets. You might consider posting on the >> Bioconductor list if these queries are unsuccessfl or contacting Vincent >> Carey, who is a Bioconductor Core member and appears to have done quite a >> bit of work in related areas: >> >> http://biosun1.harvard.edu/~carey/ <http://biosun1.harvard.edu/%7Ecarey/> >> >> (I have taken the liberty of correcting the spelling of the subject line >> so it can be found on searches more easily. Seems possible that searching >> with that alternate spelling might improve your subsequent searches as >> well.) >> > > I had corrected the subject line in my response to Orvalho (not noticing > that he had not copied the list in his reply to me), but he then pointed out > to me that this may be of general interest, and I suggested that I should be > the one to send a copy to r-help. I then forgot to substitute the English > spelling of "anthropometric". > > > -- >> David >> >> On Oct 28, 2009, at 3:24 AM, Orvalho Augusto wrote: >> >> Thanks! >>> >>> Yes I want a program in R that uses that data and produce percentiles >>> and z-scores. Is there any ready program or not? >>> >>> Caveman >>> >>> On Wed, Oct 28, 2009 at 2:16 AM, David Winsemius <dwinsem...@comcast.net> >>> wrote: >>> >>>> >>>> On Oct 27, 2009, at 7:27 PM, Orvalho Augusto wrote: >>>> >>>> Hey greate ones, is there any way to have something similar to stata >>>>> zanthro on R? >>>>> >>>> >>>> I suppose it is possible that someone will know what is in that stata >>>> package, but it would make more sense if you were to summarize what >>>> features >>>> would be of use. >>>> >>>> >>>>> I want a package that contains functions to give antropometric values, >>>>> at least for the children. >>>>> >>>> >>>> You are perhaps trying to map ht, weight, and head circumference to >>>> age-specific percentiles??? >>>> >>>> http://www.cdc.gov/growthcharts/percentile_data_files.htm >>>> >>>> -- >>>> >>>> David Winsemius, MD >>>> Heritage Laboratories >>>> West Hartford, CT >>>> >>>> >>>> >> 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. >> > > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.
