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New posts in data.table

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

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Count rows in data table with certain values by group

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R Shuffle and randomize columns of a data table

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R: unequi join with merge function

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Find rows with a given difference between values in a column

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R - Need help speeding up a for loop

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R data.table subsetting a subset

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Potential problems from over-allocating truelength more than 1000 times

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

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data.table time subset vs xts time subset

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R data.table syntax for subsetting and summarising

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data.table subsetting by NaN doesn't work

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Change data.table values in one column for multiple rows

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

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Add dummies with conditions in data.table?

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Apply a custom function on an entire column of data.table?

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How to ==1 on a column defined by a variable

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data.table joins - Select all columns in the i argument

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Fastest way to subset - data.table vs. MySQL

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

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