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hi I have made a model in which a surgeon performs surgeries on multiple patients. The surgeon is capable of performing 2 different types of surgeries (type A and type B). type A surgery is more desirable but at the same time, it requires more skills from the surgeon compared to type B surgery. It i...

thank you so much. apparently, "number of time steps elapsed" is not a built-in Vensim function. I tried: number of time steps = Time/TIME STEP reset count = if then else ( number of time steps/5=0 , Number of positive values / time step , 0 ) but for an unknown reason, it doesn't seem to ...

Hello Everyone my model consists of a random number generator. it generates positive and negative numbers. is there a way to find out the number of positive values generated every 5 time-steps? in other words, I want to specify a variable in my model called "number of positive values" to s...

thank you so much
it really helped

Hello everyone I am modeling a surgeon's skills in a specific kind of surgery, she gains some skills in that specific kind of surgery if she performs one. she also loses some part of her skills in that kind of surgery if she doesn't have any interventions of that kind during 6 months. the unit of ti...