Count Observations by Group in R

The post Count Observations by Group in R appeared first on Data Science Tutorials Count Observations by Group in R, want to count the number of observations by the group. Fortunately, the count() function from the dplyr library makes this simple. Using the data frame below, this tutorial shows numerous ... Continue reading: Count Observations by Group in R
http://dlvr.it/SRhxDQ

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