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New posts in data.table

Create lagged columns using data.table

r data.table

How to get the highest values for two unrelated columns?

r data.table

Remove NA in a data.table in R

r data.table na missing-data

R data.table to list of rows; better ways?

r list data.table

replicate `expand.grid()` behavior with data.frames using tidyr/data.table

r dataframe data.table tidyverse combinations

Rolling weighted average in R (multiple observations)

r dplyr data.table

data.table fread and ISO8601

r datetime data.table fread posixct

How to merge two data.tables on the closest value, but also by group in R?

r data.table

Using count(), aggregate(), data.table () or dplyr() to summarise the data (mean, standard deviation)

r dplyr data.table aggregate-functions mean

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

r parallel-processing data.table

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

r data.table fwrite bzip2 bzip

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

r data.table subset

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

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

r data.table melt
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