# ConfusionMatrix
<a name="API_ConfusionMatrix"></a>

The confusion matrix shows you what your transform is predicting accurately and what types of errors it is making.

For more information, see [Confusion matrix](https://en.wikipedia.org/wiki/Confusion_matrix) in Wikipedia.

## Contents
<a name="API_ConfusionMatrix_Contents"></a>

 ** NumFalseNegatives **   <a name="Glue-Type-ConfusionMatrix-NumFalseNegatives"></a>
The number of matches in the data that the transform didn't find, in the confusion matrix for your transform.  
Type: Long  
Required: No

 ** NumFalsePositives **   <a name="Glue-Type-ConfusionMatrix-NumFalsePositives"></a>
The number of nonmatches in the data that the transform incorrectly classified as a match, in the confusion matrix for your transform.  
Type: Long  
Required: No

 ** NumTrueNegatives **   <a name="Glue-Type-ConfusionMatrix-NumTrueNegatives"></a>
The number of nonmatches in the data that the transform correctly rejected, in the confusion matrix for your transform.  
Type: Long  
Required: No

 ** NumTruePositives **   <a name="Glue-Type-ConfusionMatrix-NumTruePositives"></a>
The number of matches in the data that the transform correctly found, in the confusion matrix for your transform.  
Type: Long  
Required: No

## See Also
<a name="API_ConfusionMatrix_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/glue-2017-03-31/ConfusionMatrix) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/glue-2017-03-31/ConfusionMatrix) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/glue-2017-03-31/ConfusionMatrix)