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New posts in data.table

Efficient method for counting open cases at time of each case's submission in large data set

r performance data.table dplyr vectorization

wide format with dcast data.table [closed]

r data.table dcast

Conditional data.table merge with .EACHI

r data.table

R: fast (conditional) subsetting where feasible

r data.table subset

Apply a function to each column with a condition in data.table [R]

r data.table

Does the order of keys in data.table matter?

r data.table

dec argument in data.table::fread

r csv data.table

Getting rowSums in a data table in R [duplicate]

r data.table

do.call rbind of data.table depends on location of NA

r data.table rbind do.call

Improve performance of data.table date+time pasting?

r performance data.table posixct

Unable to use eval(parse(...)) in data.table [,:=] function

r data.table

Add missing rows to data.table according to multiple keyed columns

r merge data.table cross-join

Values of the wrong group are used when using plot() within a data.table() in RStudio

r data.table rstudio

Staggered join / new grouping / join in R with data.table's X[Y] syntax

r data.table

How to avoid same column names when multiple transformations in data.table?

r data.table

SQL's `case when ...` code conversion using data.table package in R

sql r data.table

Filling in NA values based on other values in the column

r time-series data.table missing-data

Reshaping data.table with cumulative sum

r data.table

data.table version of tidyr::unite

r data.table tidyr

Is it possible to use the data.table index-join-assignment idiom to do a left join and assign NAs in the non-matching rows of i to x?

r data.table left-join assign
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