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New posts in data.table

Create a Session ID from User ID and time differences

r data.table

data.table: create multiple columns with lapply and .SD [duplicate]

r data.table

Efficiently counting occurrences of a word list in a column using R

How to save a csv as bzip2 in R, either within fwrite or after saving the csv using fwrite

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Find closest value above current row that meets condition and apply function for each group

r data.table tidyverse

R data.table struggling with conditional subsetting when column name is predefined elsewhere

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Finding all matches in a vector in a data.table

r data.table

Create new column in data.table by group

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Prevent data.table from coercing a list of vectors of different lengths to a data.table

r data.table

Efficient row-wise string concatenation with NA omission

r string data.table na

How do I group by a variable and list by a random order in data.table?

R: select range of columns in data.table

r select range data.table

How do I update a single row in each group?

r data.table

Use of .N and .SD in one call

r data.table

melt dataframe - multiple columns - "Enhanced (new) functionality from data.tables"

r data.table melt

Bin Granges with Gaps

Accessing column name within the SD construct

r data.table

Data table in R: Counting NA values in columns by using column index

r data.table

return multiple columns from data.table aggregation [duplicate]

r data.table aggregation