[R] test
romzero
romzero at yahoo.it
Fri Jan 14 10:17:38 CET 2011
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.
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