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New posts in data.table

R Faster gregexpr for very large strings

regex r matrix data.table

Remove rows with NA in a group, given the group contains at-least one non NA value

r data.table

R flatten nested data.table

r nested data.table

How to efficiently calculate multiple quantiles of column z when grouping by columns (x, y)

r data.table

Find overlaps in time intervals by group and return subsetted data.frame

r dataframe data.table

aggregation with data.table in R

r data.table

How to count occurrences combinations in data.table in R

r data.table summarization

Calculate summary statistics (e.g. mean) on all numeric columns using data.table

r data.table

Can I programmatically update the type of a set of columns (to factors) in data.table?

r data.table r-factor

R: Merge data.table and fill in NAs

r merge data.table

Get value of last non-NA row per column in data.table

r data.table

Change data types using a list of data type names

r dataframe dplyr data.table

reshaping data (a faster way)

r data.table plyr

Remove trailing (last) rows with NAs in all columns

Extract rows where value appears in any of multiple columns

r dplyr data.table

convert dplyr join syntax into pure data.table syntax

r join data.table dplyr

Using gsub adding new column in a data.table

r data.table

diff on data.table column

r data.table diff rollapply

recoding data in r

r dataframe data.table

How do you replace a whole row of a data.table with NA?

r data.table