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Collection of exoplanet occurrence rate data and Python scripts fitting occurrence rate models

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Occurrence

Collection of exoplanet occurrence rate data from NASA's SAG 13 effort and Python scripts fitting occurrence rate models including stellar effective temperature to this data. Details of these models are contained in Garrett et al. (2018). This work makes use of emcee, a Python implementation of the affine-invariant ensemble sampler for Markov chain Monte Carlo (MCMC) proposed by Goodman & Weare (2010), written by Dan Foreman-Mackey.

Data

The data tables in the Data folder come from the SAG 13 Google Drive folders Burke, Mulders, and Natalie9p1.

MCMC Data

The data in these folders (stored as .npy files) are MCMC model parameter burn-in and sample data. The folder MCMC Data All contains parameter burn-in and samples for occurrence rate models fit to all of the data in the Data folder. The folder MCMC Data FGK contains parameter burn-in and samples for occurrence rate models fit to F, G, and K type star data contained in the Data folder. The folder MCMC Data M contains parameter burn-in and samples for occurrence rates fit only to M type star data contained in the Data folder.

Scripts

The Scripts folder contains scripts which perform model fitting using MCMC sampling for "simple" and "break radius" models. Additional scripts are provided to display results of these fits.

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