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R Data Analysis Cookbook - Second Edition by Kuntal Ganguly

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Visualizing the error/classification confusion matrix

You can create a barplot using the following command:

> barplot(tab, legend = TRUE) 

The following output is the result of the preceding command:

For a mosaicplot, the following command is used:

> mosaicplot(tab, main = "Prediction performance") 

The following output is obtained on running the command:

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