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New posts in 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

How to create a co-occurrence matrix calculated from combinations by ID/row in R?

Factor levels by group

Find nearest value by group

r data.table

Remove all data matching ID if first row meets specific condition

r data.table

Conditional keyed join/update _and_ update a flag column for matches

r data.table

How to avoid redundant calculation within data.table?

r data.table

How can I reshape my data.table efficiently

r data.table reshape

Why do I need to wrap `get` in a dummy function within a J `lapply` call?

r data.table lapply

Using colClasses and select arguments of fread simultaneously

r data.table

R data.table fwrite to fread space delimiter and empties

r data.table

Call the same function by varying parameters with tidyverse and apply family functions

r data.table tidyverse

R data.table return NA when using .I to get row number

r data.table