| Contents: | Main | Chapter | See Also: | Getting Started Manual | Programmer Manual | |||
| Format: | PREVIOUS(field) |
| Parameters: | field is a field's number preceded by a # or a field's label from the current file or Multiple. |
| Use: | This function returns the value for the field identified by field in the previous entry. The previous entry is determined by internal entry number. No analysis of the value of entries is done. If there is no prior entry, the function returns null. |
| Example: | PREVIOUS(AGE AT ONSET) => 29 [the value of AGE AT ONSET for the prior entry in the Subfile] |
Reviewed/Updated: March 4, 2007