Check that the data supplied to ds is correct — checkdata • Distance

This is an internal function that checks the data.frames supplied to ds are "correct".

Usage

checkdata(
  data,
  region.table = NULL,
  sample.table = NULL,
  obs.table = NULL,
  formula = ~1
)

Arguments

data: as in ds
region.table: as in ds
sample.table: as in ds
obs.table: as in ds
formula: formula for the covariates

Value

Throws an error if something goes wrong, otherwise returns a data.frame.

Author

David L. Miller