5.1.4.0 sd.fitter.get_chi2

NRAO Home > CASA > CASA Toolkit Reference Manual

sd.fitter.get_chi2 - Function

5.1.4 Return χ² value
Description

Return χ² value of the fit. You must execute fitting process before getting χ².

Arguments

Returns
float

Example

        s = scantable(’myscan.asap’)
        s.set_cursor(thepol=1)        # select second pol (nb. 0-based)
        f = fitter()
        f.set_scan(s)
        f.set_function(poly=0)
        f.fit(row=0)                  # fit first row
        ch2=f.get_chi2()

[next] [prev] [prev-tail] [front] [up]

More information about CASA may be found at the CASA web page

This code is available under the terms of the GNU General Public Lincense