checkdata: Check that the data supplied to 'ds' is correct

In Distance: Distance Sampling Detection Function and Abundance Estimation

Description

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(s)

David L. Miller

Distance documentation built on Jan. 13, 2021, 10:43 p.m.