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New posts in data.table
aggregation with data.table in R
May 28, 2021
r
data.table
How to count occurrences combinations in data.table in R
Oct 22, 2022
r
data.table
summarization
Calculate summary statistics (e.g. mean) on all numeric columns using data.table
Sep 26, 2022
r
data.table
Can I programmatically update the type of a set of columns (to factors) in data.table?
Jun 03, 2022
r
data.table
r-factor
R: Merge data.table and fill in NAs
Sep 02, 2021
r
merge
data.table
Get value of last non-NA row per column in data.table
May 31, 2022
r
data.table
Change data types using a list of data type names
Jun 09, 2022
r
dataframe
dplyr
data.table
reshaping data (a faster way)
Jan 30, 2020
r
data.table
plyr
Remove trailing (last) rows with NAs in all columns
Oct 17, 2022
r
data.table
subset
na
missing-data
Extract rows where value appears in any of multiple columns
Sep 17, 2022
r
dplyr
data.table
convert dplyr join syntax into pure data.table syntax
Feb 17, 2022
r
join
data.table
dplyr
Using gsub adding new column in a data.table
Nov 12, 2022
r
data.table
diff on data.table column
Mar 08, 2021
r
data.table
diff
rollapply
recoding data in r
Oct 29, 2022
r
dataframe
data.table
How do you replace a whole row of a data.table with NA?
May 08, 2022
r
data.table
Keep first row by multiple columns in an R data.table
Nov 08, 2019
r
duplicates
data.table
Use data.table set() to convert all columns from integer to numeric
Mar 31, 2022
r
data.table
Data.table - left outer join on multiple tables
Nov 07, 2022
r
data.table
Count number of rows within certain range
Sep 15, 2022
r
dataframe
performance
data.table
range
R data.table %like% with logical AND
Jun 21, 2022
r
data.table
sql-like
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