dplyr is a package in R that can be used for data exploration and data manipulation and data cleaning. It provides some great, easy-to-use functions that are very handy and the performance is super fast on Data Frames.
Below are the important functions of dplyr:
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Functions
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Descriptions
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mutate()
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Allows adding new columns at the end of the data frame that are functions of existing columns.
Check in detail here. |
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select()
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Allows to pick only the required columns from a huge dataset with thousands of variables based on the names of the variables.
Check in detail here. |
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filter()
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arrange()
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Changes the ordering of the rows.It takes a data frame and a set of column names (or more complicated expressions) to order by the results.
Check in detail here. |
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summarise()
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Installation:
1. One way of installing the dplyr package is to install the whole tidyversepackage
install.packages("tidyverse")
2. The other way is to install the dplyr package alone
install.packages("dplyr")
In RStudio, there is a cheatsheet for Dplyr and Tidyr. Below is the path:
The document is downloaded and added here for easy reference.
Thank You!