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New posts in data.table

R: Should keys behave this way in data.table?

r key data.table

data.table : column name not working with j = c() and by

r data.table

Should I use mget(), .. or with=FALSE to select columns of a data.table?

r data.table

Convert data from data.table to matrix efficiently (speed and memory)

r matrix data.table

Efficiently counting non-NA elements in data.table

r data.table

Fastest by column sort in R

r data.table

outer join data.table R

r data.table

R: using data.table := operations to calculate new columns

r data.table

Efficient comparison of POSIXct in data.table

r time-series data.table posixct subset

retaining column names in lapply(.SD,...) for data.table R

r data.table

Adding new columns to a data.table by-reference within a function not always working

r data.table

Subsetting a data.table by range making use of binary search

r data.table

How to change type of target column when doing := by group in a data.table in R?

r types data.table

data.table: Proper way to do create a conditional variable when column names are not known?

r data.table if-statement

Select columns in data.table based on logical vector

r data.table logical-operators

Using setDT inside a function

r data.table

Discounted Cumulative Sum in R

r data.table cumulative-sum

grouped operations that result in length not equal to 1 or length of group in dplyr

r data.table dplyr

Fill in missing values by group in data.table

r data.table

Quickly view an R data.frame, vector, or data.table in Excel

r dataframe data.table
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