Graphical representation for matrix class objects using lattice package
arrayplot( y, mini = -max(abs(min(y)), max(y)), maxi = max(abs(min(y)), max(y)), colors = 1, ylab = "", xlab = "", main = "" )
| y | a numerical data.frame or matrix object | 
|---|---|
| mini, | minimum color range (might cause blank spots if misspecified) | 
| maxi, | maximum color range (might cause blank spots if misspecified) | 
| colors | 1 = blue/red, 0 = white/black | 
| ylab | y axis label passed to  | 
| xlab | x axis label passed to  | 
| main | plot title passed to  | 
arrayplot(dt$real$alpha, colors = 0)