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New posts in data.table

Calculate amount of occurences for column per category

r count data.table

data.table: is it possible to merge .SD and return a new 'sub data table' by group?

r data.table

Conditional merging tables

r date merge data.table aggregate

Data.table: Join on ID and Date key, but want closest date before (or equal to ) date key in first table

r data.table

duplicate rows in my counting by group with data.table in R

r group-by data.table

How to create data.table with additional rows from table based on a condition

r conditional-statements data.table

creating new variable that takes into account prior information from the earlier records

r dplyr data.table tidyr

How do I read indented data?

r data.table

Cbind two data but with some modifications using data.table

r data.table

R: Days since last event per ID

r data.table time-series

Issue class coercion filtered R data.table ifelse, if_else, if ... else

r data.table

lapply with two column arguments

r data.table lapply

Plotting a stacked bar chart with data table

r ggplot2 data.table

How to dynamically use lapply in data.table?

r data.table apply

Update join: replace with values from a column with the same name

r join data.table

Summarize a data.table across multiple columns

r data.table

Row operations on selected columns based on substring in data.table

r data.table rowwise
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