snpgm

Computing the Universe 2015 Supernova PGM Hack

Implementing this Probabalistic Graphical Model:

Scripts:

• gen_pgm.py: Script to create snpgm.png file.

• gen_dataset.py: Generate a test light curve data set, write each light curve to a file in the testdata directory.

• plot_testdata.py: Make a plot of the light curve data for each file in testdata, save to lcplots directory.

• sample_lc.py: Run an MCMC on light curve data in testdata, make a figure showing the model and a figure showing samples in a corner plot, saved in lcplots directory.

Importance sampling papers:

• Sonnenfeld et al "SL2S Paper 5" (strong lens ensemble)
• Schneider et al: Hierarchical WL