dm_nycflights13 {dm} | R Documentation |
Creates an example dm
object from the tables in nycflights13,
along with the references.
See nycflights13::flights for a description of the data.
As described in nycflights13::planes, the relationship
between the flights
table and the planes
tables is "weak", it does not satisfy
data integrity constraints.
dm_nycflights13(cycle = FALSE, color = TRUE, subset = TRUE, compound = TRUE)
cycle |
Boolean.
If |
color |
Boolean, if |
subset |
Boolean, if |
compound |
Boolean, if |
A dm
object consisting of nycflights13 tables, complete with primary and foreign keys and optionally colored.
dm_nycflights13() %>%
dm_draw()