Oct 24, 2011

I am trying to get a rolling 8wk avg of a large group of data. I am trying to take the avg of 8 vlookups:

=AVERAGE(VLOOKUP($A$9,'Raw Data'!$A:$DV,MATCH(B8,'Raw Data'!$2:$2,0), FALSE),VLOOKUP($A$9-7,'Raw Data'!$A:$DV,MATCH(B8,'Raw Data'!$2:$2,0), FALSE),VLOOKUP($A$9-14,'Raw Data'!$A:$DV,MATCH(B8,'Raw Data'!$2:$2,0), FALSE),VLOOKUP($A$9-21,'Raw Data'!$A:$DV,MATCH(B8,'Raw Data'!$2:$2,0), FALSE),VLOOKUP($A$9-28,'Raw Data'!$A:$DV,MATCH(B8,'Raw Data'!$2:$2,0), FALSE),VLOOKUP($A$9-35,'Raw Data'!$A:$DV,MATCH(B8,'Raw Data'!$2:$2,0), FALSE),VLOOKUP($A$9-42,'Raw Data'!$A:$DV,MATCH(B8,'Raw Data'!$2:$2,0), FALSE),VLOOKUP($A$9-49,'Raw Data'!$A:$DV,MATCH(B8,'Raw Data'!$2:$2,0), FALSE))

However, in some cases, the cell to be looked-up may be blank. Using the formula above, the result of these vlookups is "0". I want to take the average of these vlookups excluding the blanks from the 'Raw Data' sheet.

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