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New posts in data.table
Sort a data.table fast by Ascending/Descending order
Aug 27, 2022
r
performance
data.table
write.csv for large data.table
Aug 27, 2022
r
file-io
csv
dataframe
data.table
Count number of records and generate row number within each group in a data.table
Aug 27, 2022
r
data.table
How to select R data.table rows based on substring match (a la SQL like)
May 16, 2016
r
data.table
string-matching
Why is plyr so slow?
Sep 23, 2022
r
dataframe
plyr
data.table
Force character vector encoding from "unknown" to "UTF-8" in R
May 20, 2017
r
utf-8
character-encoding
data.table
Select subset of columns in data.table R [duplicate]
Oct 01, 2022
r
data.table
How can one work fully generically in data.table in R with column names in variables
Aug 26, 2022
r
data.table
calculated-columns
programmatically-created
Left join using data.table
Aug 26, 2022
r
join
merge
data.table
Subset rows corresponding to max value by group using data.table
Jan 06, 2018
r
data.table
greatest-n-per-group
Proper/fastest way to reshape a data.table
Aug 25, 2022
r
data.table
Summarizing multiple columns with data.table
Aug 25, 2022
r
data.table
How to create a lag variable within each group?
Aug 25, 2022
r
data.table
plyr
dplyr
.EACHI in data.table?
Aug 30, 2016
r
performance
group-by
data.table
Add multiple columns to R data.table in one function call?
Oct 04, 2022
r
data.table
How to group data.table by multiple columns?
Sep 14, 2022
r
group-by
data.table
Error: package or namespace load failed for ggplot2 and for data.table
Feb 23, 2022
r
ggplot2
data.table
What you can do with a data.frame that you can't with a data.table?
Aug 18, 2022
r
dataframe
data.table
Using data.table package inside my own package
Oct 21, 2022
r
data.table
Remove multiple columns from data.table
Aug 17, 2022
r
data.table
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