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New posts in data.table
Construct a column with lagged values
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R: Create multiple columns in list of data.tables and modify them with condition on a grouping variable
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Efficient Manipulation of Time Series in R Data Table Package
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sum and count of a dataset with specified bins as criteria
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R data.table summary not consistent between explicit sum and .SD
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Generate a vector of strings from data.table values subject to certain conditions
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