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R Data Analysis Cookbook - Second Edition by Kuntal Ganguly

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Getting ready

If you have not yet installed the Matrix packages, you should do so now using the following code:

> install.packages("Matrix") 

If you completed the prior recipe, Downloading social network data using public APIs, and have the meetup_users.Rdata file, you can use it. Otherwise, you can download that data file from the book's website and place it in your R working directory.

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