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New posts in data.table

Different results when subsetting data.table columns with numeric indices in different ways

r data.table

How to apply multiple functions to multiple columns within by? [duplicate]

r data.table

What is the equivalent of mutate_at (dplyr) in data.table?

r data.table dplyr

Filling missing values based on a relationship with another table

r data.table

R: Compare character strings across multiple columns to character string in a single column by row

r data.table string-matching

Count rows in data table with certain values by group

r data.table

R Shuffle and randomize columns of a data table

r data.table

R: unequi join with merge function

r data.table non-equi-join

Find rows with a given difference between values in a column

r dataframe data.table

R - Need help speeding up a for loop

r for-loop dataframe vectorization data.table

R data.table subsetting a subset

r dataframe data.table plyr subset

Potential problems from over-allocating truelength more than 1000 times

r data.table

accessing Y columns with duplicated names in j of X[Y, j] merges

r data.table

data.table time subset vs xts time subset

r benchmarking data.table xts

R data.table syntax for subsetting and summarising

r data.table

data.table subsetting by NaN doesn't work

r data.table

Change data.table values in one column for multiple rows

r data.table

Including all permutations when using data.table[,,by=...]

r data.table collapse

Fastest way to subset - data.table vs. MySQL

mysql r rmysql data.table

Is my way of duplicating rows in data.table efficient?

r data.table
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