Quickstart tutorial 4-How to analyze simulation results
Introduction
You can perform detailed analysis on the results of your simulations to extract information regarding scheduling, costs, output, and other statistics pertaining to your processes.
A simulation yields a wealth of data, but without detailed analysis, that data is limited in its usefulness. To get the most from your simulation data, you need to perform dynamic analysis on your results.
A simulation yields a wealth of data, but without detailed analysis, that data is limited in its usefulness. To get the most from your simulation data, you need to perform dynamic analysis on your results.
Dynamic analysis lets you extract targeted information based on the results of your process simulations. You can perform four types of dynamic analysis with WebSphere® Business Modeler:
- Aggregated
Determines information about activities and resources used in all process instances generated during a simulation. For example, you can determine the average cost of each task in the Loan Application (To Be) process by running the Activity Cost aggregated analysis.
- Process Cases
Shows statistics produced by all process cases in a simulation. For example, the Process Duration will show the average elapsed duration for each of the three different possible outcomes in the Loan Application (To Be) process. - Process Instances
Performs a summary analysis to show process results for elements within a particular instance of a process that is created during a simulation run. For example, the Process Instance Summary analysis provides cost and duration data for each of the 15 loan applications that you simulated. - Process Comparison
Compares the weighted average analysis results for two simulated processes that use the same input parameters. For example, if you adjusted Kim Lee's hourly wage and then re-ran the Loan Application (To Be) process, you could use the Processes Resources Cost Comparison to compare the resource costs between two separate simulation runs.
For a full description of the types of analysis you can perform on your simulation results, see Dynamic analysis in the help documentation.
In this exercise, you will perform a Process Cases Summary analysis, which will provide details on each of the three possible paths that your process can take. It is common practice to run a general summary analysis first so you can get an overview of how your process is performing. You can then run a more detailed analysis on any aspect of the process for which you want to gain more information.
The Process Cases Summary analysis will show you whether your Loan Application (To Be) process is resulting in more loan applications being approved. You can also observe other details for both the process as a whole and for individual tasks, such as average total cost and average elapsed duration.
In this exercise, you will perform a Process Cases Summary analysis, which will provide details on each of the three possible paths that your process can take. It is common practice to run a general summary analysis first so you can get an overview of how your process is performing. You can then run a more detailed analysis on any aspect of the process for which you want to gain more information.
The Process Cases Summary analysis will show you whether your Loan Application (To Be) process is resulting in more loan applications being approved. You can also observe other details for both the process as a whole and for individual tasks, such as average total cost and average elapsed duration.
How to analyze simulation results
To perform the Process Cases Summary analysis, complete the following steps:
Step 1
- In the Project Tree, expand the simulation profile folder of the simulation that you just ran. The folder now contains the result of your simulation with the date and timestamp showing when the simulation was run.
- Right-click the simulation result and click .
In the Process Cases Summary window, ensure that the All process instances radio button is selected and then click Finish.
If you see a warning message that preprocessing is required, click Yes.
- The Dynamic Analysis view opens and displays data for each of the 3 possible cases in your Loan Application (To Be) process.
- In the Dynamic Analysis view, expand the node for each case and examine the results of the dynamic analysis that you have just performed. Note that when you select a case or any row of data within a case, that case is highlighted in the simulation diagram. Each case in your process is listed and shows data for the tasks and other elements within the case. Tip: Remember that you can maximize a view or editor by double-clicking on the view's title bar or the editor's tab. Double-click again to restore it to its previous size. It will be easier for you to view the analysis results if you maximize the Dynamic Analysis view.
The Process Cases Summary results indicate that the majority of applications are now being approved. Check the Number of Instances and Distribution columns to see the number and percentage of loan applications following each path in your process.
You should also notice that the Review Loan Application task has a higher average cost than the other tasks in the process. Remember that you updated this task's cost to $5.00. Note also that the Review Loan Application task shows a value in the Average Allocated Resource Cost column. This task has an allocated resource, Kim Lee, associated with it. The Kim Lee resource has its own associated cost, and that cost is included in the costs of any task that needs to utilize the Kim Lee resource.
Now that you have generated dynamic analysis results, you can print those results in report form.
You should also notice that the Review Loan Application task has a higher average cost than the other tasks in the process. Remember that you updated this task's cost to $5.00. Note also that the Review Loan Application task shows a value in the Average Allocated Resource Cost column. This task has an allocated resource, Kim Lee, associated with it. The Kim Lee resource has its own associated cost, and that cost is included in the costs of any task that needs to utilize the Kim Lee resource.
Now that you have generated dynamic analysis results, you can print those results in report form.
Next Steps
Printing analysis results
You can print the results of any dynamic analysis displayed in the Analysis View.
Exporting analysis results
You can export your dynamic analysis results to a separate file.
You can print the results of any dynamic analysis displayed in the Analysis View.
Exporting analysis results
You can export your dynamic analysis results to a separate file.
Related links
Analyzing simulation results
Parent topic: Module 4: Running simulations
Previous topic: Running a revised simulation
Next topic: Module summary
Related tasks
Analyzing process simulation results
Parent topic: Module 4: Running simulations
Previous topic: Running a revised simulation
Next topic: Module summary
Related tasks
Analyzing process simulation results
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