Bayesian MCMC cosmology pipeline: dynamic dark energy (w0-wa) vs ΛCDM using Pantheon+ SNe Ia & SDSS DR12 BAO. Full covariance matrix, Planck 2018 r_d prior, AIC/BIC model selection. Python | emcee | camb | astropy
data-science big-data physics cosmology astrophysics gravitational-waves mcmc lhc cmb colab-notebook atlas-experiment python-science planck-mission
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Apr 18, 2026 - Jupyter Notebook