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New posts in data.table

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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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

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

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

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

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Use syntactically invalid names in j data.table

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Calculate timestamps for data with known frequency and missing data

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

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