<?xml version="1.0" encoding="UTF-8"?>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
  <channel>
    <title>Dr. Simon Müller — Blog</title>
    <link>https://muon-stat.com/blog</link>
    <description>Articles on statistics, supply chain optimization, and high-performance computing.</description>
    <language>en-us</language>
    <atom:link href="https://muon-stat.com/rss.xml" rel="self" type="application/rss+xml" />
    <item>
      <title>When the Forecast Pyramid Lies — and How MinT Stops It at 30,000 Leaves</title>
      <link>https://muon-stat.com/blog/mint-hierarchical-forecast-reconciliation</link>
      <guid>https://muon-stat.com/blog/mint-hierarchical-forecast-reconciliation</guid>
      <pubDate>Wed, 06 May 2026 00:00:00 GMT</pubDate>
      <description>Forecasts at the SKU-store level rarely add up to your category total. That gap is where money goes missing. We benchmarked four hierarchical reconciliation methods on the full M5 retail dataset (30,490 series, 12 levels, 28-day horizon). Here&apos;s what each does and which one to pick.</description>
      <category>Forecasting</category>
      <category>Supply Chain</category>
      <category>Retail</category>
      <category>Hierarchical Reconciliation</category>
    </item>
    <item>
      <title>Magpie-RS — Semantic Search That Survives Real Workloads</title>
      <link>https://muon-stat.com/blog/magpie-rs-semantic-search</link>
      <guid>https://muon-stat.com/blog/magpie-rs-semantic-search</guid>
      <pubDate>Tue, 05 May 2026 00:00:00 GMT</pubDate>
      <description>Vector search libraries are easy to write and hard to ship. Magpie-RS is a Rust vector database designed for production from the start: bounded memory, atomic checkpoints, and durable resume — proven by indexing the entire CRAN.</description>
      <category>Rust</category>
      <category>Semantic Search</category>
      <category>RAG</category>
      <category>R</category>
      <category>CRAN</category>
    </item>
    <item>
      <title>Wielding Occam&apos;s Razor</title>
      <link>https://muon-stat.com/blog/occams-razor-retail-forecasting</link>
      <guid>https://muon-stat.com/blog/occams-razor-retail-forecasting</guid>
      <pubDate>Mon, 30 Mar 2026 00:00:00 GMT</pubDate>
      <description>A landmark study proves that reducing your forecasting model pool from 19 to 8 models improves accuracy while cutting compute costs by 41%. For large retailers, that&apos;s over $1M in annual savings — and 108,000 tonnes less CO₂.</description>
      <category>Forecasting</category>
      <category>Supply Chain</category>
      <category>Retail</category>
      <category>Cost Optimization</category>
    </item>
    <item>
      <title>Stop the Inventory Death Spiral</title>
      <link>https://muon-stat.com/blog/inventory-death-spiral</link>
      <guid>https://muon-stat.com/blog/inventory-death-spiral</guid>
      <pubDate>Sun, 28 Dec 2025 00:00:00 GMT</pubDate>
      <description>Traditional demand classification systems rely on rigid, decades-old mathematical thresholds that create inventory bloat and revenue loss. Replace them with probabilistic model-based classification.</description>
      <category>Supply Chain</category>
      <category>Statistics</category>
      <category>DuckDB</category>
      <category>Forecasting</category>
    </item>
  </channel>
</rss>
