Excel Formula Help - Benchmark Subset of Array Against Another Subset in Same Array

Trying to take the average difference between market values in one metro versus the national average. Both national data and the metro data are in the same data set, so I have been attempting to use multiple criteria in an "AVERAGE(IF(..." format. Cannot use VBA. Current formula is:

{=AVERAGE(IF((MSA="METRO NAME)*(YYYYQ>=20001)*(YYYYQ<=20161)=1,MVperSF_SF_Wtd-(MSA="NATION")*(YYYYQ>=20001)*(YYYYQ<=20161)*MVperSF_SF_Wtd,FALSE))}

Where "MVperSF_SF_Wtd" is the value-weighted market value per square foot for an apartment building. The results are just wrong, so looking for some help.

I have attached the file for further clarity. Please see column "R".

Thanks for the help!!!
2016Q1-NCREIF-Value-psf---Apt.xlsx
dhansen_Asked:
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Rgonzo1971Commented:
Hi,

pls try (as an array formula Ctrl-Shift-Enter) the calculations are very long I recommend to have Calculation mode Manual

=(SUMPRODUCT(--(MSA=$N10),--(YYYYQ>=--($E$6&$E$5)),--(YYYYQ<=--($E$4&$E$5)),MVperSF_SF_Wtd)-SUMPRODUCT(SIGN(IFERROR(MATCH(YYYYQ&N10,YYYYQ&MSA,0),0))*(YYYYQ&N10<>YYYYQ&MSA),--(MSA=$N$9),--(YYYYQ>=--($E$6&$E$5)),--(YYYYQ<=--($E$4&$E$5)),MVperSF_SF_Wtd))/SUMPRODUCT(--(MSA=$N10),--(YYYYQ>=--($E$6&$E$5)),--(YYYYQ<=--($E$4&$E$5)))

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Regards
2016Q1-NCREIF-Value-psf---AptV1.xlsx
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dhansen_Author Commented:
Thanks! Works perfectly and quite impressive.
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Brian BEE Topic Advisor, Independant Technology ProfessionalCommented:
Hi dhansen_

If that solution worked, please don't forget to mark it as the solution and close the question.

Thanks,
Brian (TBone2K)
Topic Advisor
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dhansen_Author Commented:
This worked well. I did do some side math, and found I could further simplify the formula by taking the difference of two AVERAGEIFS functions, market less nation. Yields the same results.
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