<span style="float:right;"><a href="https://github.com/RubixML/ML/blob/master/src/Classifiers/DummyClassifier.php">[source]</a></span>

# Dummy Classifier
A classifier that makes predictions using a user-defined guessing strategy that disregards the information contained in the features of each sample. Dummy Classifier is useful to provide a sanity check and to compare performance with an actual classifier.

**Interfaces:** [Estimator](../estimator.md), [Learner](../learner.md), [Persistable](../persistable.md)

**Data Type Compatibility:** Categorical, Continuous, Resource

## Parameters
| # | Name | Default | Type | Description |
|---|---|---|---|---|
| 1 | strategy | Prior | Strategy | The guessing strategy to employ when making predictions. |

## Example
```php
use Rubix\ML\Classifiers\DummyClassifier;
use Rubix\ML\Strategies\Prior;

$estimator = new DummyClassifier(new Prior());
```

## Additional Methods
This estimator does not have any additional methods.
