Ventana software support forum

Thanks, Bob, I'll see if I can make that work.

John

Final update: that fixed it. It now looks like a spiderweb in the the bottom-left corner, but it eliminated the dimensional error.

FYI, that was indeed, the problem. I have switched from the stock-flow to a series of fixed delays. It makes it much messier, but avoids (or so I hope--not done yet!) the units issue.

Thanks again!

As I look at this more closely, I'm beginning to see that that's the problem. I'm using the traditional flow-level structure for something other than that for which it was designed. What I am after is to model the manner in which investors' spontaneous optimism rises cumulatively during an expansion...

I think the problem may be a bit deeper than that, but it's definitely related. It's not Currency/Time, incidentally, because it's not profit, but a count of the number of consecutive quarters that profits have been "high" (a subjective value that agents use to determine how well investmen...

I'm having a strange problem when I do unit check. Here is the print out: *********************************************** *********************************************** Error in units for the following equation: Consecutive Quarters of High Realized Profit = INTEG( high profits tracker - low profit...

Thanks, Bob, I'll have a look at those options and see if I can find a way to address it. Up to this point, I've only ever delayed anything one time period and so it was easy enough to give one initial value. But I now need several in process. Sounds like one of these others might do it.

Sorry if this is simple or addressed elsewhere, but I've searched this forum, Google, Sterman's Business Dynamics, and my Vensim manual and can't find an answer. I'm modeling the investment process and its contribution to the stock of productive capital actually online. There is obviously a delay (r...