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New posts in data.table

Simple sum if expression

r sum conditional data.table

How to one-hot-encode factor variables with data.table?

r data.table

Sum of values greater than or equal too for each element in grouped dataframe (dplyr) R

r dplyr data.table

Access data.table columns with strings

r string indexing data.table

strsplit by row and distribute results by column in data.frame

r data.table strsplit

Working with pairs of related columns (dplyr, tidyr, data.table)

r data.table dplyr tidyr

data.table sum and subset

r sum filtering data.table

Why is "by" on a vector not from a data.table column very slow?

r data.table

[.data.table (merge - X[Y]) key got lost in v.1.9.3

r data.table

data.table grouping column is length 1 in "J"

r data.table grouping

When using data.table in a package, R CMD check NOTEs: no visible global function definition for '.'

r data.table

data.table and character vectors

r data.table

Error with fread in R--embedded nul in string: '\0'

r data.table

R data.table bug cannot rename column names which are NA

r data.table

Compute with data.table: how many 2x2 non NA values there are among the variables?

r data.table

How is order determined in the result of a non-equi join?

r join data.table

What is the recommended way to access data from R data.table in python? Can I avoid writing data to disc?

python r data.table

Using Dates with the data.table package

r datetime data.table plyr

Using pandas, how do I subsample a large DataFrame by group in an efficient manner?

python r numpy pandas data.table