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New posts in data.table

Sample random rows within each group in a data.table

r data.table

Dynamic column names in data.table

r data.table

Use data.table to count and aggregate / summarize a column

Fast reading and combining several files using data.table (with fread)

r data.table fread

Multiply many columns by a specific other column in R with data.table?

r data.table

How to extract the first n rows per group?

r data.table

How to merge two data.table by different column names?

r merge data.table

Apply multiple functions to multiple columns in data.table

r data.table

knitr gets tricked by data.table `:=` assignment

r data.table knitr

data.table objects assigned with := from within function not printed

Efficient row-wise operations on a data.table

r data.table

Perform a semi-join with data.table

r data.table semi-join

Writings functions (procedures) for data.table objects

r data.table

data.table and parallel computing

Removing multiple columns from R data.table with parameter for columns to remove

r data.table

Add a row by reference at the end of a data.table object

r data.table

Referring to data.table columns by names saved in variables

r data.table

data.table "key indices" or "group counter"

r data.table

rolling joins data.table in R

r join time-series data.table

How to optimize Read and Write to subsections of a matrix in R (possibly using data.table)

r performance data.table