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Changing the Output Field Properties fixed my incorrect alias problem, but still the Calculate Field (2) tool is throwing a general exception error. I have updated my question with screenshots from that tool and the fields involved in that tool.

matthewiannowlin
– matthewiannowlin

2016-03-03 16:54:29 +00:00
Commented Mar 3, 2016 at 16:54
The error is that my denominator is sometimes zero. That's why calculate is failing. I will need to find some way around that.

matthewiannowlin
– matthewiannowlin

2016-03-03 16:57:37 +00:00
Commented Mar 3, 2016 at 16:57
You can change the Parser to Python and do an inline if calculation: 0 if !approval_rate_4yt! = 0 else (!approval_rate! - !approval_rate_4yr!) / !approval_rate_4yr!

Richard Fairhurst
– Richard Fairhurst

2016-03-03 21:49:04 +00:00
Commented Mar 3, 2016 at 21:49

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