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docs: technical docs vs user guide; EF calculation and margin EF pages - #25
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…gin pages - Frame the emission factors as the primary data product of the 2026 release; rc.1 publishes the spend-based GHG factors and 2026-v1 adds the time series and model matrices (format TBD). - Reorganize the TOC and home page into a technical documentation track and a user guide track, with colored cards for each. - Add "Calculating the emission factors": M = B x L, N = C x M, Tier 3, regional/global averages, zero filling, price-year re-pricing with the BEA gross output price index, and the producer-to-purchaser conversion. - Add "Margin emission factors": formula, margin sectors, re-pricing, published columns and when to use them. - Add A_margin, phi and PI to the notation page and a glossary term; fix the glossary statement that factors are only at purchaser price. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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WesIngwersen
added this pull request to stack #26
October 25, 2026 23:46
GWPs are applied inline as emissions enter the model (ceda _apply_gwp_conversion_to_ceds_ghg_data; bedrock B is kg CO2e/USD and derive_C_usa is a row-summer), so B and E are in CO2e by gas, D is B summed over gases and N = D x L (= M summed over gases). - Notation: drop C; E, B, M in kg CO2e; D and N redefined. - GHG extension, intro primer and diagrams updated to match. - Calculation page: total factors in one step from D/B and L. - Drop the product-tax statements from the purchaser-price section; taxes less subsidies are already in the producer price. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This was referenced Oct 26, 2026
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Stacked on #24 (
history); GitHub will retarget tomainwhen #24 merges.These revisions set a clear tech docs path AND a user guide path (see the new main page now where the cards are colored and grouped for technical documentation vs user guide). This greatly simplifies the left menu which was getting very longer by putting all the technical docs in a menu.
Refactors
2026-v0.1renamed to2026-v1.New pages
factors/calculation.md— fromBandLto PRO/PUR factors:M = B × L,N = C × M, Tier 3, regional and global averages, zero filling, re-pricing 2025/2026 with the BEA gross output price index,φ = 1 / (1 + Σ A_margin).factors/margins.md— margin emission factor formula, margin sectors, re-pricing, published columns, when to use them, mapping to USEEIO SEF with/without margins.Content is based on the
cedapublish code (publish/emission_factors/:dollar_year.py,margins.py,regions.py,table.py).🤖 Generated with Claude Code