data.table Package in R | Tutorial & Programming Examples

The data.table R package provides tools for data manipulation and the fast aggregation of large data sets.

• Here you can find the documentation of the data.table package.
• Here you can find the CRAN page of the data.table package.

Tutorials on the data.table Package

You can find tutorials and examples for the data.table package below.

Add Multiple New Columns to data.table in R (Example)

Apply Function to data.table in Each Specified Column in R (Example)

Convert data.frame to data.table in R (Example)

Convert Row Names into Column of Data Frame in R (Example)

Count Observations by Factor Level in R (3 Examples)

Count Unique Values by Group in R (3 Examples)

Extract data.table Column as Vector Using Index Position in R (Example)

Group data.table by Multiple Columns in R (Example)

Merge Two data.table Objects in R (Example)

Only Import Selected Columns of Data in R (2 Examples)

R Error: Package or Namespace Load Failed for ggplot2 & data.table

Remove Multiple Columns from data.table in R (Example)

Select Subset of Data Table Columns in R (Example)

setNames vs. setnames in R (+ Examples) | stats & data.table Package

Sort Data Frame by Multiple Columns in R (3 Examples)

Sort Data Frame in R (4 Examples)

Summarize Multiple Columns of data.table by Group in R (Example)

Use Previous Row of data.table in R (2 Examples)

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