www-ai.cs.tu-dortmund.de/LEHRE/VORLESUNGEN/KDD/SS12/FOLIEN/R-intro.pdf
scripts with segments like
chem <- scan(n=24) 2.90 3.10 3.40 3.40 3.70 3.70 2.80 2.50 2.40 2.40 2.70 2.20 5.28 3.37 3.03 3.03 28.95 3.77 3.40 2.20 3.50 3.60 3.70 3.70
and stdin() refers to the script file to [...] previous example, a[2,,] is a 4× 2 array with dimension vector c(4,2) and data vector containing the values
c(a[2,1,1], a[2,2,1], a[2,3,1], a[2,4,1], a[2,1,2], a[2,2,2], a[2,3,2], a[2,4,2])
in that order. [...] 1] [,2] [,3] [,4] [,5] [1,] 1 5 9 13 17 [2,] 2 6 10 14 18 [3,] 3 7 11 15 19 [4,] 4 8 12 16 20 > i <- array(c(1:3,3:1), dim=c(3,2)) > i # i is a 3 by 2 index array.
[,1] [,2] [1,] 1 3 [2,] 2 2 [3,] 3 1 > …