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New posts in data.table

melt a data.table with a column pattern

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R: change column order in data.table for only some columns

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Split string and transpose result

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How to evaluate a string to filter an R data.table?

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Computing on multiple column names in a data.table

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Using dcast.data.table with date values and aggregation

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Assign unique ID per multiple columns of data table

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ggplot transparency on individual bar

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R Faster gregexpr for very large strings

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

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R flatten nested data.table

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

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

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aggregation with data.table in R

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How to count occurrences combinations in data.table in R

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

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

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R: Merge data.table and fill in NAs

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

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Change data types using a list of data type names

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