VA 3R - Variance estimation

PURPOSE

Variance estimation. Note: This operation has never been properly documented and is unsupported!

USAGE

.OPERATION: VA 3R

.INPUT FILE TEMPLATE: imgs/img*****

.FILE NUMBERS OR SELECTION DOC. FILE NAME: select

.AVERAGE FILE: avgfile
[File for average.]

.VARIANCE FILE: varfile
[File for variance.]

SUBROUTINES

VAR3R

CALLER

UTIL4