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_________ is used to convert wide data to long data. (a) melt (b) dcast (c) cast (d) rcast I have been asked this question in examination. Query is from Packages in division Commands, Packages, Visualizing Data and Linear Regression of R Programming Select the correct answer from above options

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Correct answer is (a) melt To explain I would say: dcast is used to go from long to wide.

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