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Calculate an average in VFE

CPS, C-EMR, PM

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Jude

(@judea)

Posts: 91

Estimable Member

Topic starter

I would like to calculate an average of three values (document variables) and connect the average to an observation term. Can someone help?

Thanks, Jude

Posted : February 10, 2017 11:29 am

vrdlc

(@vrdlc)

Posts: 135

Estimable Member

Where are you getting hung up? There are a few things to remember about calculating anything: First, OBS terms are always strings and second, only values can be calculated.

If something is saved as a string, like an OBS value for example, you need to use val() to turn it into a number that can be calculated. Once your calculation is complete, you need to use str() to turn it back into a string that can be saved into an OBS term.

I recently had to average the values of seven OBS terms and put the result into an eighth OBS. I don't think document variables should work that differently.

OBSNOW("YOUR_OBS", str((val(DOCUMENT.YOUR_VAR_1) + val(DOCUMENT.YOUR_VAR_2) + val(DOCUMENT.YOUR_VAR_3)) / 3 ) //CLOSES THE str PARENS ) //CLOSES THE OBS PARENS

I'm not sure if document variables need to be forced into values, so this might need a little finessing. I hope this helps!

Posted : February 13, 2017 4:36 am

Jude

(@judea)

Posts: 91

Estimable Member

Topic starter

It worked. Thank you 🙂

Posted : February 15, 2017 10:02 am

vrdlc

(@vrdlc)

Posts: 135

Estimable Member

Glad I could help!

Posted : February 15, 2017 10:46 am

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