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Wednesday, July 23, 2025

dplyr in R

How to Reorder Columns in R

Often you may want to reorder columns in a data frame in R. Fortunately this is easy to do using the select() function from the...

How to Filter Rows in R

Often you may be interested in subsetting a data frame based on certain conditions in R. Fortunately this is easy to do using the...

How to Count Observations by Group in R

Often you may be interested in counting the number of observations by group in R. Fortunately this is easy to do using the count()...

How to Arrange Rows in R

Often you may be interested in arranging the rows of a data frame in R in a specific order. Fortunately this is easy to...

How to Recode Values Using dplyr

Occasionally you may be interested in recoding certain values in a dataframe in R. Fortunately this can easily be done using the recode() function...

How to Use Mutate to Create New Variables in R

This tutorial explains how to use the mutate() function in R to add new variables to a data frame. Adding New Variables in R The following...

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