ActivitySim Input Checking & Error Handling

[joecastiglione]

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Make it easier and less error prone to setup a new regional model implementation or scenario. When reading in inputs, the software will perform a series of validation checks such as:

• Each person belongs to a household, each household belongs to a microzone or zone, and each microzone belongs to a zone if applicable
• Each expression file is well formed and there are no formatting or syntax errors
• Each yaml file is well formed and there are no formatting or syntax errors
• All attributes referenced in expressions are in the input table or skims

ODOT has an input checker for its CT-RAMP model that is quite handy. The input checker library of checks continues to grow, similar to how a test system continues to expand its test coverage.