[source] # Top K Accuracy Top K Accuracy looks at the k classes with the highest predicted probabilities when calculating the accuracy score. If one of the top k classes matches the ground-truth, then the prediction is considered accurate. **Estimator Compatibility:** Probabilistic Classifier **Score Range:** 0 to 1 ## Parameters | # | Name | Default | Type | Description | |---|---|---|---|---| | 1 | k | 3 | int | The number of classes with the highest predicted probability to consider. | ## Example ```php use Rubix\ML\CrossValidation\Metrics\TopKAccuracy; $metric = new TopKAccuracy(5); ```