This function returns the Correspondence Analysis scatterplot of column categories, with points' colour according to the clusters to which points belong. An Excel file is also created (in the R working directory) containing the cluster membership for each colum category.
The numbers of the dimensions to be plotted (from 1 to 5).
Dataframe containing the contingency table to be analysed.
plot.clusters.cols (mydata,1,2): plot the Correspondence Analysis scatterplot of column categories (using the 'mydata' dataframe), displaying the 1 and 2 dimension.
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