Does this do it for you: > sprintf("%010.0f", seq(1000000000.0, length = 250, by = 1.0)) [1] "1000000000" "1000000001" "1000000002" "1000000003" "1000000004" "1000000005" "1000000006" [8] "1000000007" "1000000008" "1000000009" "1000000010" "1000000011" "1000000012" "1000000013" [15] "1000000014" "1000000015" "1000000016" "1000000017" "1000000018" "1000000019" "1000000020" [22] "1000000021" "1000000022" "1000000023" "1000000024" "1000000025" "1000000026" "1000000027" [29] "1000000028" "1000000029" "1000000030" "1000000031" "1000000032" "1000000033" "1000000034" [36] "1000000035" "1000000036" "1000000037" "1000000038" "1000000039" "1000000040" "1000000041" [43] "1000000042" "1000000043" "1000000044" "1000000045" "1000000046" "1000000047" "1000000048" [50] "1000000049" "1000000050" "1000000051" "1000000052" "1000000053" "1000000054" "1000000055" [57] "1000000056" "1000000057" "1000000058" "1000000059" "1000000060" "1000000061" "1000000062" [64] "1000000063" "1000000064" "1000000065" "1000000066" "1000000067" "1000000068" "1000000069" [71] "1000000070" "1000000071" "1000000072" "1000000073" "1000000074" "1000000075" "1000000076" [78] "1000000077" "1000000078" "1000000079" "1000000080" "1000000081" "1000000082" "1000000083" [85] "1000000084" "1000000085" "1000000086" "1000000087" "1000000088" "1000000089" "1000000090" [92] "1000000091" "1000000092" "1000000093" "1000000094" "1000000095" "1000000096" "1000000097"
On Wed, Jan 11, 2012 at 11:32 AM, Petr PIKAL <petr.pi...@precheza.cz> wrote: > Hi >> >> Dear group, >> >> I am trying to prepare a NONMEM friendly dataset for population PK >> analysis. My patient IDs are 10 digit long and NONMEM is losing precison >> and rouding the last couple of digits. I need to generate unique > Patient >> IDs fromt he current 10-digit IDs. Ihave total 250 subjects so I >> appreciate if anybody can suggest me a way to code this in R. > > I would start with > > ?abbreviate > and check uniqueness with > ?unique or ?duplicated > > Regards > Petr > > >> >> Regards, >> Ayyappa >> >> [[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. > > ______________________________________________ > 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. -- Jim Holtman Data Munger Guru What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it. ______________________________________________ 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.