Hi, i have that table
Thesis Day A B C 1 0 83.43 90.15 22.97 1 0 85.50 94.97 16.62 1 0 83.36 95.38 20.70 1 0 84.47 92.16 23.58 1 0 83.98 95.33 19.39 1 0 82.86 93.78 24.55 1 0 83.39 92.67 19.56 1 0 85.17 95.24 17.95 1 0 81.62 93.32 28.49 1 0 82.99 92.85 19.73 1 0 81.11 95.67 27.20 1 0 83.39 94.69 16.51 1 0 79.56 89.87 30.39 1 0 80.54 93.32 21.76 1 0 82.11 92.58 22.17 1 14 85.65 94.00 19.19 1 14 85.06 92.44 20.44 1 14 83.97 91.39 24.38 1 14 84.61 91.97 19.44 1 14 85.13 90.59 25.30 1 14 84.81 91.01 19.80 1 14 84.52 94.06 18.77 1 14 84.30 94.49 24.90 1 14 84.74 91.32 20.35 1 14 84.08 94.12 22.96 1 14 84.50 94.25 19.95 1 14 84.02 94.74 20.35 1 14 85.30 92.82 21.12 1 14 85.08 91.14 24.16 1 14 85.21 95.69 18.17 etc etc etc etc etc 2 0 83.43 90.15 22.97 2 0 85.50 94.97 16.62 2 0 83.36 95.38 20.70 2 0 84.47 92.16 23.58 2 0 83.98 95.33 19.39 2 0 82.86 93.78 24.55 2 0 83.39 92.67 19.56 2 0 85.17 95.24 17.95 2 0 81.62 93.32 28.49 2 0 82.99 92.85 19.73 2 0 81.11 95.67 27.20 2 0 83.39 94.69 16.51 2 0 79.56 89.87 30.39 2 0 80.54 93.32 21.76 2 0 82.11 92.58 22.17 2 14 84.48 91.23 20.44 2 14 85.22 93.08 22.54 2 14 83.89 92.74 25.11 etc etc etc etc etc I need to subtract from every number the other numbers of the same thesis and same day. Example: A(row1) - A (row2) (same for B and C) A(row1) - A (row3) etc until the last Thesis 1 and Day 0 A(row2) - A (row3) etc etc until the last Thesis 1 and Day 0 Same for the others theses and days. How can i do that? Sorry for my english. -- View this message in context: http://r.789695.n4.nabble.com/test-tp3217329p3217329.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
