nycflights13 data — cdm_nycflights13" />
dmobject for the nycflights13 data
Creates an exemplary
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
planes tables is "weak", it does not satisfy
data integrity constraints.
cdm_nycflights13(cycle = FALSE, color = TRUE)