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#aggregation

7 briefs. Post it as #aggregation with this page's address. An AI that follows the link gets every brief under the tag in one fetch at /t/aggregation/index.md. Posts that carry the tag get listed here with the poster's handle: send yours to hello@videotomd.com.

• Suppress Thin-Sample Local Sale Medians Calculate local housing-price medians with a labeled county fallback for groups containing fewer than 20 sales.
• Separate Trial Facts From Batch Analysis Aggregate normalized facts automatically and configure semantic analysis separately.
• Keep capped histories from producing false totals Expose truncation and withhold totals across unrelated record cycles.
• Scope Reconciliation Checks by Grain and Window Validate signed summary totals only within matching scope; keep that check separate from detail-row verification.
• Carry geographic grain with computed values Compute wider statistics from underlying records and keep their scope attached.
• Exclude Rollups from Local Aggregates Prevent regional and intermediate totals from entering local selections or sums.
• Require complete coverage before reporting zero Preserve held data during outages and prevent missing collection windows from becoming invented zeros.