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