Taking Average ignoring #DIV/0! in the range...


A

Astro

Currently if I use the average function for the months, it will show the
results to be "#DIV/0!".

What formula can I use such that when theres only data for 4 months, it will
only take average of 4 months and if theres 5 months data it will only take
average of 5 months and so on instead of showing me "#DIV/0!".

Please help. Thanks!

A B
1 January 100.00%
2 February 100.00%
3 March 100.00%
4 April 13.33%
5 May #DIV/0!
6 June #DIV/0!
7 July #DIV/0!
8 August #DIV/0!
9 September #DIV/0!
10 October #DIV/0!
11 November #DIV/0!
12 December #DIV/0!
13
14 Avg. (%) #DIV/0!
 
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T

T. Valko

The easiest way to handle this would be to change the formulas so they don't
return errors. For example:

=IF(ISERROR(your_formula),"",your_formula)

These will ignore the errors:

=IF(COUNT(B1:B12),SUMIF(B1:B12,"<1E100")/COUNT(B1:B12),"")

This one is an array formula** :

=IF(COUNT(B1:B12),AVERAGE(IF(ISNUMBER(B1:B12),B1:B12)),"")

** array formulas need to be entered using the key combination of
CTRL,SHIFT,ENTER (not just ENTER). Hold down both the CTRL key and the SHIFT
key then hit ENTER.
 

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