assertive.models
A set of predicates and assertions for checking the properties of models. Most of the documentation is on the assertive page. End-users will usually want to use assertive directly.
Installation
To install the stable version, type:
install.packages("assertive.models")
To install the development version, you first need the devtools package.
install.packages("devtools")
Then you can install the assertive.models package using
library(devtools)
install_bitbucket("richierocks/assertive.models")
Predicates
has_terms
checks whether or not an object has a terms
attribute or
component.
is_empty_model
and is_non_empty_model
check whether a model is empty or not.
Assertions
Predicates all return a single logical value and have one corresponding assertion.
For example, has_terms
has assert_has_terms
.