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added tardis stats #364

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Aug 21, 2015
Merged

added tardis stats #364

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1 change: 1 addition & 0 deletions tardis/stats/__init__.py
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16 changes: 16 additions & 0 deletions tardis/stats/base.py
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import numpy as np

def get_trivial_poisson_uncertainty(model):
"""

"""
emitted_nu = model.montecarlo_nu[model.montecarlo_luminosity >= 0]
emitted_luminosity = model.montecarlo_luminosity[model.montecarlo_luminosity >= 0]
freq_bins = model.tardis_config.spectrum.frequency.value

bin_counts = np.histogram(emitted_nu, bins=freq_bins)[0]

uncertainty = np.sqrt(bin_counts) * np.mean(emitted_luminosity)

return uncertainty / (freq_bins[1] - freq_bins[0])