how to plot multi- lines on one diagram
On Sun, 2004-02-22 at 13:58, liu qin wrote:
Hello there: I got a matrix as data1, I do need to plot each column and illustrate them as 4 lines on the same screen. Would anybody help me out please?
data1
[,1] [,2] [,3] [,4] [1,] 94.35 60.89 33.12 0.1001 [2,] 94.17 60.53 32.76 0.1003 [3,] 94.35 61.80 34.74 0.0980 [4,] 95.45 65.99 38.74 0.0910 [5,] 95.82 69.44 38.38 0.0859 [6,] 95.64 68.72 42.19 0.0903 [7,] 94.35 69.28 43.11 0.2931 [8,] 94.19 68.73 43.27 0.0980 [9,] 93.82 65.81 38.36 0.1357 [10,] 92.90 63.81 39.28 0.1353 Thank you very much indeed, Qin Liu
See ?matplot Example: # create a 4 column matrix data1 <- matrix(1:40, ncol = 4)
data1
[,1] [,2] [,3] [,4] [1,] 1 11 21 31 [2,] 2 12 22 32 [3,] 3 13 23 33 [4,] 4 14 24 34 [5,] 5 15 25 35 [6,] 6 16 26 36 [7,] 7 17 27 37 [8,] 8 18 28 38 [9,] 9 19 29 39 [10,] 10 20 30 40 # Now plot the four columns as lines matplot(data1, type = "l") HTH, Marc Schwartz