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Showing results for 'user defined statistics'.
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Hello, I'm wondering if anyone has a good idea for how to view a resource's utilization according to the day of the week in the pivot grid of an experiment? Currently, my best idea is to just have a status plot in the facility window to illustrate this but I'd prefer to have an average utilization by day of resources in the pivot table. The scenario I'm working with is having "technician" resources that are being seized by server objects to do "maintenance" on the truck entities coming into the maintenance shop. I'd like to see which days of the week are the busiest so I could determine where to schedule new technicians. Any help is greatly appreciated. Thanks! Pit-To-Bay Off-Shift Rule Fixed.spfx -
I need to calculate patient throughput using user-defined statistics but I am not sure how to calculate throughput in Simio. I´ve tried different approaches unsuccessfully so far... Could this be the right expression: Sink1.NumberDestroyed/Timenow? Does anyone know what is the general process for doing this? Thank you, Juan C. -
Avg Waiting Time Tally Values don't seem right
dsturrock replied to wwang7f's topic in SI General Discussions
Your user-defined Tallies were not generating accurate results because you did not specify units of time on the statistic definition. I did not do a thorough review, but what I checked seemed reasonable to me. The waiting time should be the sum of processing time + freespace travel time + waiting for server/resource time. The 2 experiments you had both illustrated constrained resources with lots of waiting time. When I added a 3rd scenario with high resource capacities (99 each) the TIS statistics were in the range I would expect. -
If you want statistics on that, it (or something similar) is already recorded in the TimeInSystem statistic on the sink. But to get exactly what you asked, in the Entered Add-on Process on the Sink use the Write step found in the User Defined steps. You can write out anything you want about the system and the entity about to be destroyed, to a file of your choice.
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Obtaining the Flow history of every entity for every step
KatieP replied to ClemPSIMIO's topic in SI General Discussions
Tally Statistics are more for recording the same numeric expression throughout the simulation. You should use the Write or ExcelWrite steps under User Defined steps in the Processes tab. The Write step write data to a csv file and is usually faster than writing to an Excel file with ExcelWrite. Check out the SimBits Writing To A File and Excel Read Write. You can record numeric and string value. The Date expression should look like 'String.FromDateTime( TimeNow, "MM/dd/yyyy HH:mm:ss")', and then Excel will convert the string to a date if need be. For the Entity ID the expression would be 'ModelEntity.ID' and for the Server name use the expression 'Server.Name'. If you only want to write data in interactive mode and have an Enterprise license, you can use an Output Table. SimBit Using Add Row And Output Table Enterprise -
It depends on what type of data you are referring to - for example, some statistics, such as time in system for the various entity types, can be found automatically within the pivot grid, under the Object Type of ModelEntity and the various Object Names (Type1, Type2, Type3, Type4). These statistics would include the Number in System, Time in System (Flowtime), Throughput (NumberCreated and NumberDestroyed) - all by type of entity. Additionally, statistics are generated on the Paths (number and flowtimes on links), as well as at Servers and other fixed objects (number processing, number/time in inputbuffers). For more specific entity statistics at various areas within the system, you could use the Write step (under User Defined steps) to write out specific entity data to a file by using this step in the Processes window at any point(s) in the process.
