Hi to everyone, I would like to replace some values in a data.frame (D) > str(D) 'data.frame': 116 obs. of 10 variables: $ X. : int 1108 1591 3408 3872 5823 8099 10640 12600 14680 14698 ... $ media : num 22 86.6 807 103.2 73 ... $ IE.2003: num 32 92 166 237 161 ... $ IE.2004: num 63 122.8 290 117.8 73.6 ... $ IE.2005: num 60 277 302 154 134 ... $ IE.2006: num 39 87 322 113 70 ... $ IE.2007: num 4 95 621 116 80 ... $ IE.2008: num 8 94 1071 90 74 ... $ IE.2009: num 16 81 1301 94 69 ... $ IE.2010: num 5 76 1225 1911 72 ...
D X. media IE.2003 IE.2004 IE.2005 IE.2006 IE.2007 IE.2008 IE.2009 IE.2010 1 1108 22.00000 32.0 63.0 60.0 39 4.0 8 16 5.0 2 1591 86.60000 92.0 122.8 276.6 87 95.0 94 81 76.0 3 3408 807.00000 166.0 290.0 302.0 322 621.0 1071 1301 1225.0 4 3872 103.25000 237.2 117.8 154.4 113 116.0 90 94 1911.2 5 5823 73.00000 160.6 73.6 133.6 70 80.0 74 69 72.0 6 8099 125.16667 169.0 206.0 196.0 161 150.0 94 72 78.0 7 10640 67.33333 494.8 168.2 424.8 476 670.6 74 77 51.0 8 12600 2417.00000 1958.0 1871.0 1960.0 2383 2453.0 2506 2758 2442.0 9 14680 38.00000 142.2 46.0 30.0 61 404.0 42 19 243.8 10 14698 698.16667 505.0 482.0 553.0 664 847.0 800 679 646.0 WHat I really want to do is: for( i in 1: nrow(D)) { for( j in 5:ncol(D)) { D[((D[i,j]/D[i,2])>1.5)]15999)]<-1000000 } } Error en `[<-.data.frame`(`*tmp*`, (D[i, j]> 15999), value = 1e+06) : missing values are not allowed in subscripted assignments of data frames [[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.