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New posts in data.table

R - Find first non zero elements per groups in data.table

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R dplyr to data table - Group and Filter

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Merge a data.table and a list

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Multiple pairwise differences based on column name patterns

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Efficient way of adding row with difference from specific group in data table

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Simple moving average on an unbalanced panel in R

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R - indices of matching values of two data.tables

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Select rows until last non-missing value by group using data.table

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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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pivot_longer with a very big data.frame, memory efficient approaches

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data.matrix() when character involved

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How to use lapply function to instead of for loop in a custom function which is not vectorized in arguments

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R Faster way to create lag by entire group using data.table

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R object of data.frame and data.table have same type?

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