Finrod Kamau I notice the
original_source field is populated for about 70% of rows but blank for the rest, with no pattern suggesting which sources are missing. Without source attribution for all rows, it's impossible to assess data provenance systematically. Should we either backfill the sources or disclose that provenance is incomplete?Is energy use index-linked across the whole window?
Finrod Kamau The way you've structured the lookback window to exclude the migration period is clever — it gives us clean apples-to-apples comparisons without having to build a manual adjustment factor.