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New posts in data.table

Finding all matches in a vector in a data.table

r data.table

Create new column in data.table by group

r vector data.table

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

Aggregate only successive rows in data.table

r data.table

Nested groupings with data.table

r data.table

Aggregating duplicate rows by taking sum

r data.table plyr

data.table aggregation to list column

r data.table

dcast renaming all variables to start with a number

r data.table reshape2

ggvis use of " := " in combination with data.table

r data.table ggvis

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