topic Re: Aggregated measures not showing results? in SAS Visual Analytics

Aggregated measures not showing results?

Oscarboots — Mon, 18 Jan 2016 23:31:52 GMT

Hi Forum,

I'm using SAS VA 7.1 on Windows & 32 bit & have created a table of data that has weekly counts by State.

So I've added a Crosstab Object to the Report builder & added Weekending (Date) to 'Columns', State to 'Rows' ($) & Counts (Float) as a Measure.

I use the 'Create - Difference from previous Period' & add that new calc to the table.

I'm just getting blanks between the Count rows & can't work out why.

Can anyone advise what's possibly wrong here?

Thanks

Re: Aggregated measures not showing results?

Oscarboots — Wed, 20 Jan 2016 23:59:55 GMT

Hi Again,

I've found that by playing around with the aggregation of the measure that I can get results for 'Difference from Previous period'.

I've changed the measure to Count instead of Sum which shows a result but I do need to Sum my measure for the report.

I find it strange that I can't get this to work as I thoght it would be fairly straightforward.

Has anyone had the same issue??

Thanks

Re: Aggregated measures not showing results?

Oscarboots — Thu, 21 Jan 2016 00:59:53 GMT

After further playing around, I think I've discovered the answer.

I could be wrong but I don't think VA has the Aggregated measures set up for Weekly periods, just Month/Quarter/Yearly?

I'm using 7.1 so maybe this has changed but I would be interested to know how anyone has created a Week on Week % Change.

Once I converted my Weekly formatted date to Month & Yearly, I used those fields to use in the Aggregated Measures & all is well !!

Can't say I saw any limitations in my search for the answer??

Anyway, in case someone has the same issue, there it is (or is for me anyhow ...)

Cheers : )

Re: Aggregated measures not showing results?

Sam_SAS — Thu, 21 Jan 2016 15:28:51 GMT

Hi Oscar,

The periodic operators do not use weekly intervals. It is only month/quarter/year as you mentioned.

It is possible that we will add support for more interval types in the future.

Sam

Re: Aggregated measures not showing results?

Oscarboots — Thu, 21 Jan 2016 20:04:44 GMT

Thanks for confirming Sam,

I've created a way to do it by reformatting my data to contain Weekly data Sales Count Fields for the Current Week, Last Week, Last Month & Last Year.

This allowed me to create an Aggregated Measure to calc my Week on Week etc ...

I would find a weekly option useful as a future suggestion to develop.

Btw, I saw the code behind the Aggregated Measure options & wondered if it's possible to alter the code to suit Weekly in the meantime?

ParallelPeriod(_Sum_, 'ProductTotal'n, 'WeekStarting'n, _Inferred_, _Inferred_, 0, _Full_, {Date}) - ParallelPeriod(_Sum_, 'ProductTotal'n, 'WeekStarting'n, _Inferred_, _Inferred_, -1, _Full_, {Date})

I've been trying to find more info about the 'Parallel Period', 'Inferred' & 'Full' terms in the code but can't find anything that helps me understand it & alter it to enable the Weekly option, any suggests??

Cheers Peter , (Oscar(Boots) is my Dogs nickname) : ).

Re: Aggregated measures not showing results?

Sam_SAS — Thu, 21 Jan 2016 20:33:55 GMT

Hi Peter,

When you talk about the code, do you mean the syntax in the expression editor?

The parameters are documented here:

http://support.sas.com/documentation/cdl/en/vaug/68648/HTML/default/viewer.htm#n1lxnqfip132can1hdzuerib7i76.htm

This is the 7.3 doc, but I don't believe there is any difference from VA 7.1 if you are using 7.1.

The interval operators can be either _Inferred_, _ByMonth_, _ByQuarter_, or _ByYear_. There is not a way to specify a weekly interval.

My understanding is that the LASR data server is limited in what periodic intervals it can process, in the current implementation. This could possibly be expanded in a future release.

Thanks,

Sam