Number of rows

Source: R/filter-helpers.R

Returns a named vector with the number of rows for each table.

dm_nrow(dm)

Arguments

dm

A dm object.

Value

A named vector with the number of rows for each table.

Examples

dm_nycflights13() %>%
  dm_filter(airports, faa %in% c("EWR", "LGA")) %>%
  dm_apply_filters() %>%
  dm_nrow()

#> airlines airports  flights   planes  weather 
#>       15        2     7566     2006      861