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New posts in data.table

data.table: Check if all rows are NA by key

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Extracting the first element from strsplit, applied across each row element in data.table in R

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Dynamic AND computed group by

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Find the last element by group in a data.table without max()

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Rolling count of exceedances by variable over time series in R

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How to periodize years into dates?

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How to subset large data.table in R every 50 columns and find mode of character row

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Issue with split and data.table

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data.table: Find repeating data for each group and column name. Output group and name of column that repeats

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R data.table: find the difference in mean value between two subsets of rows

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Regression models as column in data table, R

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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

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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

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Shift a column of lists in data.table by group

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