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New posts in data.table

How do I pass names for new summary columns to data.table in a function?

r data.table

Drop columns when splitting data frame in R

r data.table

Error in `$<-.data.frame`(x, name, value) : replacement has 1 row, data has 0

r ggplot2 data.table

Filter by column index number data.table R

r data.table

How can I introduce dcast into data.table chain without using piping?

r data.table

R data.table value from previous row with conditional statement

r data.table

Assign categories from JSON column in data table

r data.table binning jsonlite

Fast data.table column split to multiple rows based on delimiter [duplicate]

r optimization data.table strsplit

How to bind data.table without increasing the memory consumption?

r data.table rbind

Join data frames and select random row when there are multiple matches

r join dplyr data.table

Speed up quantile calculation

r data.table plyr crosstab quantile

Within-group operations in R (not rolling sum)

r data.table rolling-computation sliding-window longitudinal

Combine list of dataframes into one dataframe and summarize in one step

r dataframe merge data.table tidyverse

R perform calculations on groups for subset of rows

r data.table dplyr

Getting mean of multiple rows based on interval dataframe in R

r dataframe data.table intervals iranges

How do I use Group By with order function in R

r sorting group-by data.table

sort data.table by a column within each key

r data.table

How to summarize in R the number of first occurrences of a character string in a dataframe column?

r dataframe data.table

Count unique combinations in and summarize other columns in new one

r data.table
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