* Fix bug related to caltrack billing design matrix creation during empty temperature traces.
2.1.2
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* Add automatic t-stat computation for metered savings error bands, the implementation of which requires expicitly adding scipy to setup.py requirements. * Don't compute error bands if reporting period data is empty for metered savings.
2.1.1
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* Fix degree day ranges (30-90) for prefab caltrack design matrix creation methods. * Fix the warning for total degree days to use total degree days instead of average degree days.
2.1.0
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* Update the `use_billing_presets` option in `fit_caltrack_usage_per_day_model` to use a minimum data sufficiency requirement for qualifying CandidateModels (similar to daily methods). * Add an error when attempting to use billing presets without passing a weights column to facilitate weighted least squares.
2.0.5
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* Give better error for duplicated meter index in compute temperature features.