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coltemperature
2009 Nov 05
1
Set colors in a PCA plot based on a gradient vector
...a gradient from red to blue, depending on the value of another column in "fieldTrial0809[idx, c(48)]" containg temperatures from -12.1 to -5.4.
I don't want to use the heat.colors(n) function, because then I just get colors from red to yellow...
I've created a vector "colTemperature" with 12 colors and I've also made a new vector "tempACC", based on the values of "fieldTrial0809[idx, c(48)]" with 12 levels.
What I don't know, is how to incorporate this vector in the text() function below:
> df=fieldTrial0809[idx,c(39:46)]
> PC=prco...