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fisher-information

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A hands‑on, first‑principles guide to fitting logistic regression via the Iteratively Reweighted Least Squares (IRLS) algorithm complete with mathematical derivations, R code from scratch, and a real‑world S&P data case study to bring your statistical modeling skills to the next level.

  • Updated May 16, 2025
  • R

Unified theoretical–empirical verification of the Cognitive Uncertainty Principle (CUP). A jump–diffusion model reveals an epistemic phase boundary between a Fisher regime (Δε·ΔDₖₗ ≥ 1.17×10⁻⁴) and a KL regime (Δε·ΔDₖₗ ≈ 1.71×10⁻²). The canonical bound Δβ·KL ≥ 3.94×10⁻⁴ remains robust.

  • Updated Nov 5, 2025
  • Python

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