{"type": "article", "title": "I probably should have worked in a Matrix reference", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/i-probably-should-have-worked-in-a-matrix-reference", "original_source": "https://observationalepidemiology.blogspot.com/2026/07/i-probably-should-have-worked-in-matrix.html", "published": "2026-07-08T11:30:00+00:00", "accessed": "2026-08-13", "id": "i-probably-should-have-worked-in-a-matrix-reference"}