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R Data Analysis Cookbook - Second Edition by Kuntal Ganguly

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How it works...

The par(mfrow = c(1,2)) function call creates a grid with one row and two columns. The subsequent invocations of the plot() function fills the charts into these grid locations, row by row. Alternately, you can specify par(mfcol = ...) to specify the grid. In this case, the grid is created as in the case of mfrow, but the grid cells get filled in column by column.

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