10 lines
482 B
Markdown
10 lines
482 B
Markdown
# Analytics contract
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- Every metric has an explicit scope, period, unit and source operation.
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- A server total is authoritative; a locally calculated total must be marked as
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calculated and list the rows used.
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- A comparison must use the same period boundaries and unit on both sides.
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- Missing data, denied access and a zero value are different outcomes.
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- Recommendations follow the evidence and are not written back to SHD unless a
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separate mutation is explicitly requested.
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