| Name | Description | Type | Package | Framework |
| COV | Computes the covariance between sets of data. | Class | org.apache.pig.builtin | Apache Pig |
| COV .Final | Class | org.apache.pig.builtin.COV | Apache Pig | |
| COV .Initial | Class | org.apache.pig.builtin.COV | Apache Pig | |
| COV .Intermed | Class | org.apache.pig.builtin.COV | Apache Pig | |