# Create a dynamic rolling trailing 7-day average that auto updates

#### excelquestions1234

##### New Member
I am creating a dashboard and I want it to automatically create a 7-day trailing average based off the the =today() cell that it looks up on.

So I have the raw data in a sheet that has the data by day:

 8/1/2015 8/2/2015 8/3/2015 8/4/2015 8/5/2015 8/6/2015 8/7/2015 8/8/2015 People 196 184 561 398 288 268 249 203 Cost \$35,170 \$31,451 \$54,573 \$50,740 \$45,846 \$45,037 \$41,599 \$36,590 Orders Cost \$179.44 \$170.93 \$97.28 \$127.49 \$159.19 \$168.05 \$167.06 \$180.25 Average Revenue \$414 \$438 \$859 \$688 \$572 \$549 \$538 \$460

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I have a lookup in another sheet that dynamically can update the cell:

 TOPLINE 8/8/2015 People 203 Cost \$36,590 Orders Cost \$180.25 Average Revenue \$460

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The formula looks like this: =vlookup(A3,'Raw Data'!\$A\$1:\$AF\$40,match(\$D\$1,'Raw Data'!\$B\$1:\$JL\$1,0),False)

How do I do this same thing for the trailing 7-day average as well as the previous 2 same DoW (-7days -14 days)?

 TOPLINE 8/27/2015 Trailing 7-Day Avg. Previous 2 DoW People 203 ???? ????​ Cost \$36,590 ???? ????​ Orders Cost 180.25 Average Revenue \$460

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#### bstory84

##### Active Member
I think i may have something for you.
You should be able to use the AverageIfs function.
So I made some assumptions.... Sorry if the references are incorrect. but i duplicated what was on your post and i tested. So here you go.
My assumptions are that..
1. Dates are in ROW 1 of worksheet Raw Data.
2. Value titles are in Column A of worksheet Raw Data(People, Cost, ...)

=AVERAGEIFS(INDIRECT("'Raw Data'!"&MATCH(\$A2,'Raw Data'!\$A\$1:\$A\$5,0)&":"&MATCH(\$A2,'Raw Data'!\$A\$1:\$A\$5,0)),'Raw Data'!\$1:\$1,">="&TODAY()-6,'Raw Data'!\$1:\$1,"<="&TODAY())

#### excelquestions1234

##### New Member
I think i may have something for you.
You should be able to use the AverageIfs function.
So I made some assumptions.... Sorry if the references are incorrect. but i duplicated what was on your post and i tested. So here you go.
My assumptions are that..
1. Dates are in ROW 1 of worksheet Raw Data.
2. Value titles are in Column A of worksheet Raw Data(People, Cost, ...)

=AVERAGEIFS(INDIRECT("'Raw Data'!"&MATCH(\$A2,'Raw Data'!\$A\$1:\$A\$5,0)&":"&MATCH(\$A2,'Raw Data'!\$A\$1:\$A\$5,0)),'Raw Data'!\$1:\$1,">="&TODAY()-6,'Raw Data'!\$1:\$1,"<="&TODAY())
All the references you made are correct but It does not seem to be working for me. Any idea why?

#### bstory84

##### Active Member
The Category names would have to match exactly. So "People" would not match to "people" . So make sure those are the same. Also make sure your dates are actually numbers formatted as dates, and are not strings "text" If you would like please reply back telling me how the data is stores. IE.. what columns and or rows and worksheet names the data exists in.

#### excelquestions1234

##### New Member
The Category names would have to match exactly. So "People" would not match to "people" . So make sure those are the same. Also make sure your dates are actually numbers formatted as dates, and are not strings "text" If you would like please reply back telling me how the data is stores. IE.. what columns and or rows and worksheet names the data exists in.
Thanks for your help! I got it to work. Really appreciate it.

For the past 2 same day of week would it look like this:
=AVERAGEIFS(INDIRECT("'Raw Data'!"&MATCH(\$A3,'Raw Data'!\$A\$1:\$A\$46,0)&":"&MATCH(\$A3,'Raw Data'!\$A\$1:\$A\$46,0)),'Raw Data'!\$1:\$1,"="&TODAY()-7,'Raw Data'!\$1:\$1,"="&TODAY()-14)

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