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New posts in data.table

How to refer to a column of a data.table by its position, in a sum() statement

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The fastest way to parse rules string into data.frame

r dataframe data.table

Full outer join of multiple dataframes stored as elements of a list using data.table

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conditionally replace first value in a group by data.table in R

r data.table

Shift a column of lists in data.table by group

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Define empty data.table directly with the correct data type

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How to match pattern against multiple strings and store in data.frame in R

r data.table pattern-matching string-matching

cut scoping link between key and data.frame for data.table

r data.table

How to calculate a variable that select the maximum range value out of several consecutive columns

r dplyr data.table

How to find (not replace) leading NAs, gaps, and final NAs in data.table columns by category

r data.table

Use syntactically invalid names in j data.table

r data.table

Calculate timestamps for data with known frequency and missing data

r dplyr timestamp data.table

How to lag values by number of days in a data table

r data.table

concatenating column names with column data in R (using data.table)

r data.table concatenation multiple-columns

An alternative to mutate_if in data.table

r dplyr data.table

What is the fastest way to update a data set in R?

r performance dataframe data.table

data.table doesn't modify by reference if the object is freshly loaded from file?

r data.table

Calculation of failure rate and date time manipulation in R

r data.table dplyr reshape2
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