Use this option to delete rows in which the mean intensity meets the specified criteria.The expression entered in this field must include the key term MEAN and have the appropriate syntax. Valid expressions include:
• MEAN GT xx , which instructs the process to eliminate rows in which the mean is greater than some number xx ,
• MEAN LT xx , which instructs the process to eliminate rows in which the mean is less than some number xx , and
• MEAN EQ xx , which instructs the process to eliminate rows in which the mean is equal to some number xx .The number xx is some whole number that you specify in the statement.Example : To eliminate rows in which the mean exceeds 5, type MEAN GT 5 in the text box, as shown below: