So you need to cbind the four vectors together... ?cbind "saggak" <saggak1...@yahoo.co.in> wrote:
>Dear R helpers > >I have a data frame as given below > >df = data.frame(A = c(776,827,836,995,855,1026,1203,1363,965,1195), >���������������������� B = >c(806,953,1049,1056,1243,764,1148,1162,948,1154), >���������������������� C = >c(959,1155,1193,1163,863,1070,1087,877,1132,944), >���������������������� D = >c(906,760,978,1170,1009,883,1007,960,828,113)) > ># Actually the real data has number of vectors and not only A, B, C and >D. > >m = as.numeric(lapply(df, mean)) >s = as.numeric(lapply(df, sd)) > >gives > >> m >[1] 1004.1 1028.3 1044.3� 861.4 >> s >[1] 194.5899 158.7052 123.3000 285.8695 > >I need to generate 25 (normal) random numbers for each of these mean >and corresponding standard deviation combination (m[i], s[i]). i.e. I >need to have a table (dim 25 X� 4) giving me random numbers. > > >rnorm(25, m[1], s[1])�� rnorm(25, m[2], s[2])�� rnorm(25, m[3], s[3])� >rnorm(25, m[4], s[4]) >�� ....................���������� .........................���������� >............... � � � � � � � � ................. >�� ....................���������� .........................���������� >............... � � � � � � � � ................. >�� ....................���������� .........................���������� >............... � � � � � � � � ................. >�� ....................���������� .........................���������� >............... � � � � � � � � ................. > > >�� ....................���������� .........................���������� >............... � � � � � � � � .................����� > > >Kindly guide > > >Thanking in advance > >Sagga K > > > > > > > > [[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. --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity. ______________________________________________ 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.
