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New posts in data.table
R expand.grid for repeated combinations of a vector in groups?
Oct 24, 2025
r
data.table
combinations
combinatorics
Is R data.table documented to pass by reference as argument?
Oct 23, 2025
r
data.table
Length of polygon in R
Oct 21, 2025
r
data.table
r-sf
Alternative to cut function in R for data.tables - integer variables to factors
Oct 23, 2025
r
data.table
cut
data.table - summarizing data - difference between `by` and `keyby`?
Oct 22, 2025
r
data.table
data.table: subset by index
Oct 23, 2025
r
data.table
In R, how to order a column by specific value in data.table?
Oct 22, 2025
r
data.table
What is causing this difference in performance in indexing between data.table and collapse
Oct 22, 2025
r
data.table
R: Creating a unique ID in a data.table with a condition
Oct 21, 2025
r
data.table
data.table join (multiple) selected columns with new names
Oct 21, 2025
r
join
data.table
Apply which.min to data.table under a condition
Oct 21, 2025
r
data.table
R data.table split a row into multiple rows based on string values [duplicate]
Oct 22, 2025
r
data.table
Unexpected behaviour of "formula" with "data.table" in R
Oct 22, 2025
r
function
data.table
fread - Specify data type of one specific column
Oct 19, 2025
r
data.table
fread
Optimal way in data.table to make multiple columns from vectors of column name strings
Oct 20, 2025
r
data.table
Efficiently joining more than 2 data.tables
Oct 21, 2025
r
data.table
data-manipulation
R replace positive values in logical columns with the column names using data.table syntax
Oct 20, 2025
r
replace
data.table
logic
Calculate rolling weighted average in data.table using frollsum
Oct 21, 2025
r
data.table
Replace subset of data table with other data table
Oct 20, 2025
r
data.table
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