Pyomo.DoE - Measurement Error Convention Correction#3723
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mrmundt merged 5 commits intoPyomo:mainfrom Sep 19, 2025
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Error in the measurement error convention, it should be 1 / (measurement error ^ 2) instead of 1 / (measurement error). Tests were updated. It should be noted that only a small change in values is required because the error was a power of 10.
adowling2
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Sep 9, 2025
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This PR fixes a bug with the measurement error specification.
Does the document clearly state that the elements of measurement_error are expected to be the standard deviation?
blnicho
approved these changes
Sep 17, 2025
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #3723 +/- ##
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Coverage 89.31% 89.31%
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Files 896 896
Lines 103675 103675
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+ Hits 92594 92602 +8
+ Misses 11081 11073 -8
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mrmundt
approved these changes
Sep 19, 2025
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Fixes # .
Fixed measurement error consideration during model construction to be squared.
Summary/Motivation:
The convention for measurement error mathematically is to provide measurement error for each measurement, and then take the square of this value when construction the FIM. The squaring of this error was mistakenly left off. This PR will update the DoE problem construction to use the square of each experimental output's measurement error.
Changes proposed in this PR:
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