rOpenSci News Digest, September 2026

September 27, 2026 | rOpenSci

Dear rOpenSci friends, it’s time for our monthly news roundup! You can read this post on our blog. Now let’s dive into the activity at and around rOpenSci! rOpenSci HQ Yani and Mark at “Open Communities in the age of AI” rO... [Read more...]

JAGS 5.0.0 is now available for macOS

September 27, 2026 | Martyn

This is a guest post by Matt Denwood. After a longer-than-anticipated delay, the macOS installer for JAGS 5.0.0 is now available via SourceForge. There are some big changes for how the official binaries of JAGS 5.x are installed on macOS, … Continue reading → [Read more...]

Quantitative Event-Driven Modeling: BTC Balance Sheet Shocks with SEC EDGAR Filings in R

September 25, 2026 | Selcuk Disci

Executive Summary MicroStrategy (MSTR) has fundamentally transitioned from a traditional enterprise software firm into an equity-based Bitcoin (BTC) holding vehicle and treasury operation. Evaluating MSTR using conventional corporate finance metrics (such as Price-to-Earnings or EBITDA multiples) fails to capture the core driver of its equity valuation: the dynamic Net Asset ...
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