dplyr (version 0.7.1)

location: Print the location in memory of a data frame

Description

This is useful for understand how and when dplyr makes copies of data frames

Usage

location(df)

changes(x, y)

Arguments

df

a data frame

x, y

two data frames to compare

Examples

Run this code
# NOT RUN {
location(mtcars)

mtcars2 <- mutate(mtcars, cyl2 = cyl * 2)
location(mtcars2)

changes(mtcars, mtcars)
changes(mtcars, mtcars2)
# }

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