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New posts in data.table
Merging two data.tables that don't have common columns
Oct 16, 2025
r
data.table
R - Pass column names into data.table formula - difference between get and eval
Oct 18, 2025
r
data.table
Read xlsx file using data.table::fread(), but selecting the sheet
Oct 17, 2025
r
data.table
choose value based on priority list - R data.table
Oct 17, 2025
r
variables
data.table
How to change multiple columns' data type in R?
Oct 13, 2025
r
types
character
data.table
numeric
Error using dcast with multiple value.var
Oct 13, 2025
r
casting
data.table
R xts and data.table and IDate
Oct 12, 2025
r
data.table
xts
Any speedier alternatives to tidyr::unnest_longer() when dealing with nested named vectors?
Sep 22, 2025
r
performance
data.table
tidyr
r %in% operator behavior for data table factors?
Sep 22, 2025
r
data.table
R: data.table fread on zip containing multiple files
Sep 22, 2025
r
data.table
zip
Summary multiple columns with dplyr - categorical version
Sep 22, 2025
r
count
data.table
dplyr
summary
Data.Table: Aggregate by every two weeks
Sep 22, 2025
r
data.table
How to perform a conditional join on statement containing both AND and OR operators?
Sep 22, 2025
r
data.table
self-join
R data.table apply function to all pair of columns
Sep 22, 2025
r
data.table
How to shrink/filter data per group?
Sep 20, 2025
r
filter
data.table
group
R: Drop columns from data.table, by reference, without having the name
Sep 21, 2025
r
data.table
Replace each row based on the string match and column value
Sep 22, 2025
r
dataframe
data.table
How to create a python-style dictionary by data.table in R?
Sep 20, 2025
r
data.table
fcase to multiple outputs
Sep 20, 2025
r
data.table
case
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