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New posts in data.table

Subsetting data.table set by date range in R

r data.table subset date-range slice

Selecting a subset of columns in a data.table

r data.table

R data.table apply function to rows using columns as arguments

r data.table mapply

data.table - select first n rows within group [duplicate]

r data.table

find *all* duplicated records in data.table (not all-but-one)

r data.table

Tidyverse approach to binding unnamed list of unnamed vectors by row - do.call(rbind,x) equivalent

r dplyr data.table tidyverse purrr

Efficient way to rbind data.frames with different columns

r data.table rbind

Simple frequency tables using data.table

r data.table

How do I run apply on a data.table?

r apply data.table

Apply a function to a subset of data.table columns, by column-indices instead of name

r data.table multiple-columns indices

using colClasses in fread

r data.table fread

Elegantly assigning multiple columns in data.table with lapply()

r data.table

data.table row-wise sum, mean, min, max like dplyr?

r data.table dplyr

Why does median trip up data.table (integer versus double)?

r integer double data.table median

Replace logical values (TRUE / FALSE) with numeric (1 / 0)

r dataframe type-conversion data.table

Most efficient list to data.frame method?

performance r memory-management dataframe data.table

Fastest way to add rows for missing time steps?

r dataframe plyr data.table

can the value.var in dcast be a list or have multiple value variables?

r data.table reshape reshape2

Apply function on a subset of columns (.SDcols) whilst applying a different function on another column (within groups)

r data.table subset lapply

Use of lapply .SD in data.table R

r data.table
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