GC,
Create a "Totals" query (in query design mode menu... View/Totals).
You would Group on the date value, and probably Sum the value
data. This should yield totals for the day... from which you can calculate
the percentages of those summed values.
See Help on Totals Queries...
--
hth
Al Campagna
Microsoft Access MVP
http://home.comcast.net/~cccsolutions/index.html
"Find a job that you love... and you'll never work a day in your life."
"GC" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> Hi, I have a program that collects data throught out the day and populates
> an Access table. This goes on everyday. I collect various data but the
> important ones to mention here is the date and percent error. I wish to
> show the average error for each day in a query.
> Is this the best way and if so how does one do this.
>
> Cheers
> Gerry
>