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core_ext
2011 Nov 29
3
Matrix for correlation
hi @ all,
I have problem with creating a matrix for a cor() function.
I try to use the cor() function on a matrix to test the correlation between
each value in a column.
Maybe like corr(x, method = xyz).
My x has two columns maybe like this:
MEDIA VALUE
Car 23
Train 26
Plane 25
Cab 22
Bike 15
.... and so on.
Now I want to calculate the correlation between Car and Train, Car