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how can plot a matix?

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Joseph
Joseph 2015-7-30
评论： dpb 2015-7-30
i have a 150*9 matrix, with random numbers in the matrix. i want to plot this matrix, for example scatter plot would be proper. could any one please tell me how can i plot this matrix?
thanyou

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dpb
dpb 2015-7-30
Plot what against what? Who's independent variable, who's dependent? Simply against observation number just use
plot(1:length(x),x)
where x is your data matrix
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Joseph
Joseph 2015-7-30
thank you, this helped
dpb
dpb 2015-7-30
OBTW, for a scatter plot you can use scatter instead of plot; reflex ended up with the former inadvertently.

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