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mosaicplot
2006 Nov 07
0
evaluation of 2 matrices: categorical comparison
...e difference
(cell-by-cell) between the two outputs
2. simple linear regression / scatter plot of the two outputs
3. 2D histogram via. hist2d() in the gplots package
*** categorical comparisons
4. conversion of each matrix to a vector of factors and:
5. frequency tabulation for each level
6. mosiacplot
7. computation of Cohen's Kappa (using the cohen.kappa function from
the 'concord' package) :
# a and b are vectors with the 'factor-ized' matrices, stored as vectors
cohen.kappa(table(a,b), type='count')
A lengthy summary of this small adventure has been recorded h...