ScatterFit¶

class ell1fit.spin_stats.ScatterFit(coeffs: ndarray, cov: ndarray, scatter: float, chi2: float, chi2_formal: float, dof: int)[source]¶

A polynomial fit with intrinsic scatter; see fit_polynomial_with_scatter().

Attributes Summary

`chi2`	chi-squared with the scatter included (= dof unless scatter is 0)
`chi2_formal`	chi-squared with the measurement errors alone
`coeffs`	ascending order: y = c0 + c1 x + c2 x^2 ...
`cov`	covariance of `coeffs`, with the scatter included
`dof`
`errors`
`scatter`	intrinsic scatter added in quadrature, in units of y

Methods Summary

Call self as a function.

Attributes Documentation

chi2: float = <dataclasses._MISSING_TYPE object>¶: chi-squared with the scatter included (= dof unless scatter is 0)

chi2_formal: float = <dataclasses._MISSING_TYPE object>¶: chi-squared with the measurement errors alone

coeffs: ndarray = <dataclasses._MISSING_TYPE object>¶: ascending order: y = c0 + c1 x + c2 x^2 …

cov: ndarray = <dataclasses._MISSING_TYPE object>¶: covariance of coeffs, with the scatter included

scatter: float = <dataclasses._MISSING_TYPE object>¶: intrinsic scatter added in quadrature, in units of y

Methods Documentation