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...ed the above code for the "mtcars" dataset for INDICES=mtcars$am. When I found the same results here too, then I reported the case in "r-help at R-project.org". With best regards, Dr. A.K. Singh Head, Department of Agril. Statistics Indira Gandhi Krishi Vishwavidyalaya, Raipur Chhattisgarh, India, PIN-492012 Mobile: +919752620740 Email: akhileshsingh.igkv at gmail.com On Fri, Apr 15, 2016 at 3:06 AM, Adrian Du?a <dusa.adrian at unibuc.ro> wrote: > I think you are not using the best function for what your intentions are. > Try: > > > by(data=mtcars, INDICES=list...

Dear Sirs, I am Professor at Indira Gandhi Krishi Vishwavidyalaya, Raipur, Chhattisgarh, India. While taking classes, I found the *by() *function producing following error when I use FUN=mean or median and some other functions, however, FUN=summary works. Given below is the output of the example I used on a built-in dataset "mtcars", along with error message reproduced her...

...------------- Gender: Male FSIQ VIQ PIQ Weight Height MRI_Count 115.00000 115.25000 111.60000 166.44444 71.43158 954855.40000 With best regards, Dr. A.K. Singh Head, Department of Agril. Statistics Indira Gandhi Krishi Vishwavidyalaya, Raipur Chhattisgarh, India, PIN-492012 Mobile: +919752620740 Email: akhileshsingh.igkv at gmail.com On Fri, Apr 15, 2016 at 2:24 PM, David Winsemius <dwinsemius at comcast.net> wrote: > > > On Apr 15, 2016, at 1:16 AM, Akhilesh Singh < > akhileshsingh.igkv at gmail.com> wrote: > > >...

...n of R had a "bug" because it was not behaving as promised by an introductory text with a three year-old publishing date. -- David. > > With best regards, > > Dr. A.K. Singh > Head, Department of Agril. Statistics > Indira Gandhi Krishi Vishwavidyalaya, Raipur > Chhattisgarh, India, PIN-492012 > Mobile: +919752620740 > Email: akhileshsingh.igkv at gmail.com > > On Fri, Apr 15, 2016 at 2:24 PM, David Winsemius <dwinsemius at comcast.net> wrote: > > > On Apr 15, 2016, at 1:16 AM, Akhilesh Singh <akhileshsingh.igkv at gmail.com> wrote: &...

...2.9230769 See the difference between colMeans() and mean() in their respective help files. Hth, Adrian On Thu, Apr 14, 2016 at 11:14 PM, Akhilesh Singh < akhileshsingh.igkv at gmail.com> wrote: > Dear Sirs, > > I am Professor at Indira Gandhi Krishi Vishwavidyalaya, Raipur, > Chhattisgarh, India. > > While taking classes, I found the *by() *function producing following error > when I use FUN=mean or median and some other functions, however, > FUN=summary works. > > Given below is the output of the example I used on a built-in dataset > "mtcars", along...

...uot; dataset for INDICES=mtcars$am. When I found the same results > here too, then I reported the case in "r-help at R-project.org". > > With best regards, > > Dr. A.K. Singh > Head, Department of Agril. Statistics > Indira Gandhi Krishi Vishwavidyalaya, Raipur > Chhattisgarh, India, PIN-492012 > Mobile: +919752620740 > Email: akhileshsingh.igkv at gmail.com > > On Fri, Apr 15, 2016 at 3:06 AM, Adrian Du?a <dusa.adrian at unibuc.ro> wrote: > >> I think you are not using the best function for what your intentions are. >> Try: >>...

...~1.SIN/Desktop/data.table_1.10.4-3.tar.gz? had non-zero exit status > I is requested to kindly help. I was writing a book using R-Markdown. And I am stuck up as described above. Dr. A.K. Singh Professor and Head Department of Agricultural Statistics Indira Gandhi Krishi Vishwavidyalaya Raipur Chhattisgarh India [[alternative HTML version deleted]]

...kindly help. I was writing a book using R- > Markdown. > > And I am stuck up as described above. > > > > Dr. A.K. Singh > > Professor and Head > > Department of Agricultural Statistics > > Indira Gandhi Krishi Vishwavidyalaya > > Raipur > > Chhattisgarh > > India > > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help at r-project.org <mailto:R-help at r-project.org> mailing list -- > To UNSUBSCRIBE and more, see > > https:...

...sted to kindly help. I was writing a book using R- > Markdown. > > And I am stuck up as described above. > > > > Dr. A.K. Singh > > Professor and Head > > Department of Agricultural Statistics > > Indira Gandhi Krishi Vishwavidyalaya > > Raipur > > Chhattisgarh > > India > > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help at r-project.org <mailto:R-help at r-project.org> mailing list -- > To UNSUBSCRIBE and more, see > > https://stat.e...

...s described above. I do not know what is amiss. Where I am missing or whatever is wrong, I request the entire R-team to help me to solve above problem. Thanking in advance. Dr. A.K. Singh Professor and Head Department of Agricultural Statistics Indira Gandhi Krishi Vishwavidyalaya Raipur-492012, Chhattisgarh, India Mob: +918770625795 Email: akhileshsingh.igkv at gmail.com WhatsApp: +919039202968 [[alternative HTML version deleted]]

...status > > > > > I is requested to kindly help. I was writing a book using R-Markdown. > And I am stuck up as described above. > > Dr. A.K. Singh > Professor and Head > Department of Agricultural Statistics > Indira Gandhi Krishi Vishwavidyalaya > Raipur > Chhattisgarh > India > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-projec...