Category "dplyr"

How to add a total distance column in 'flights' dataset? DPLYR, Group_by, Ungroup

I am working with 'flights' dataset from 'nycflights13' package in R. I want to add a column which adds the total distance covered by each 'carrier' in 2013. I

dplyr::select function clashes with MASS::select

If I load the MASS package: library(MASS) then load try to run dplyr::select, I get a error: library(dplyr) mtcars %.% select(mpg) # Error in select(`__pre

Calling user defined functions from dplyr::mutate

I'm working on a project that involves many different tibbles, all of which have a period variable of the format YYYYMM. Below is an example of how all my tibbl

Calling user defined functions from dplyr::mutate

I'm working on a project that involves many different tibbles, all of which have a period variable of the format YYYYMM. Below is an example of how all my tibbl

Trying to be benchmark dplyr vs data.table

Why does this code not work? How can I benchmark these to expressions? library(data.table) library(dplyr) dt <- as.data.table(mtcars) (lb <- bench::mar