liu qin wrote:
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


matplot(data1, type="l")


See ?matplot

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