The sherpa.stats module¶
Classes
Stat(name) |
The base class for calculating a statistic given data and model. |
Chi2([name]) |
Chi Squared statistic. |
LeastSq([name]) |
Least Squared Statistic. |
Chi2ConstVar([name]) |
Chi Squared with constant variance. |
Chi2DataVar([name]) |
Chi Squared with data variance. |
Chi2Gehrels([name]) |
Chi Squared with Gehrels variance. |
Chi2ModVar([name]) |
Chi Squared with model amplitude variance. |
Chi2XspecVar([name]) |
Chi Squared with data variance (XSPEC style). |
Likelihood([name]) |
Maximum likelihood function |
Cash([name]) |
Maximum likelihood function. |
CStat([name]) |
Maximum likelihood function (XSPEC style). |
WStat([name]) |
Maximum likelihood function including background (XSPEC style). |
UserStat([statfunc, errfunc, name]) |
Support simple user-supplied statistic calculations. |