The sherpa.stats module¶
Classes
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The base class for calculating a statistic given data and model. |
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A Gaussian Log-likelihood function. |
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Least Squared Statistic. |
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Chi Squared with constant variance. |
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Chi Squared with data variance. |
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Chi Squared with Gehrels variance. |
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Chi Squared with model amplitude variance. |
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Chi Squared with data variance (XSPEC style). |
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Likelihood functions |
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Poisson Log-likelihood function. |
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Poisson Log-likelihood function (XSPEC style). |
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Poisson Log-likelihood function including background (XSPEC style). |
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Support simple user-supplied statistic calculations. |