Head and tail of the disk.frame

Head and tail of the disk.frame

# S3 method for disk.frame
head(x, n = 6L, ...)

# S3 method for disk.frame
tail(x, n = 6L, ...)

Arguments

x

a disk.frame

n

number of rows to include

...

passed to base::head or base::tail

Examples

cars.df = as.disk.frame(cars)
head(cars.df)
#>    speed dist
#> 1:     4    2
#> 2:     4   10
#> 3:     7    4
#> 4:     7   22
#> 5:     8   16
#> 6:     9   10
tail(cars.df)
#>    speed dist
#> 1:    24   70
#> 2:    24   92
#> 3:    24   93
#> 4:    24  120
#> 5:    25   85

# clean up 
delete(cars.df)