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New posts in data.table
Installing new version of data.table (specifically 1.8.11 from Rforge)
Apr 23, 2022
windows
r
data.table
Unlist nested list columns in data.table
Oct 23, 2022
r
data.table
Why does data.table lose class definition in .SD after group by?
May 24, 2014
r
class
data.table
convert data.frame to data.table column missing
Apr 18, 2017
r
dataframe
data.table
How to use dcast.data.table with formula as string
Apr 08, 2022
r
data.table
reshape
data.table::fread's stringsAsFactors=TRUE argument doesn't convert character columns to factor type - what's the workaround?
Oct 01, 2022
r
string
dataframe
data.table
categorical-data
How to create data table from vector with named values and keep the names?
Nov 15, 2022
r
data.table
Melt using patterns when variable names contain string information - avoid coercion to numeric
Sep 13, 2022
r
data.table
melt
Are Pandas' dataframes (Python) closer to R's dataframes or datatables? [closed]
Jun 23, 2018
python
r
pandas
dataframe
data.table
Sort a data.table programmatically using character vector of multiple column names
Nov 13, 2022
r
sorting
data.table
correct braces placement in := within data.table
Oct 24, 2022
r
data.table
unable to perform calculations using r data.table package
Mar 21, 2022
r
data.table
why "character is often preferred to factor" in data.table for key?
Jan 06, 2019
r
data.table
Count matching elements by row between two data tables in R
Nov 11, 2022
r
performance
optimization
data.table
match
R data.table Multiple Conditions Join
Aug 29, 2018
r
join
data.table
R: Detect a "main" Path and remove or filter the GPS trace maybe using a kernel?
Mar 15, 2022
r
data.table
tidyr
r-raster
sf
How can I compute statistics by decile groups in data.table
Nov 17, 2022
r
data.table
quantile
dplyr group by, carry forward value from previous group to next
Apr 30, 2021
r
dplyr
data.table
How to sort a data.table using a target vector
Jul 19, 2019
r
data.table
How to reference column names that start with a number, in data.table
Nov 15, 2022
r
data.table
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