Assertions to Check Properties of Models

A set of predicates and assertions for checking the properties of models. This is mainly for use by other package developers who want to include run-time testing features in their own packages. End-users will usually want to use assertive directly.

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.