Display the fit information
show_fit([outfile=None, clobber=False] )
The show_fit command displays the fit information for the source and/or background ("ahelp fit") .
- outfile - name of the file in which to store the information
- clobber - a Boolean switch which indicates whether or not the 'outfile' should be overwritten, if the file already exists; default=False
The command output looks like:
Optimization Method: NelderMead name = simplex ftol = 1.19209289551e-07 maxfev = None initsimplex = 0 finalsimplex = 9 step = None iquad = 1 verbose = 0 Statistic: CStat Fit:Dataset = 1 Method = neldermead Statistic = cstat Initial fit statistic = 4115.59 Final fit statistic = 470.277 at function evaluation 450 Data points = 460 Degrees of freedom = 457 Probability [Q-value] = 0.323838 Reduced statistic = 1.02905 Change in statistic = 3645.31 abs1.nh 0.0349312 p1.gamma 1.72895 p1.ampl 4.24936e-05
The behavior of the screen output is determined by the user's $PAGER environment variable setting, which is usually a variant of "more." To disable paging within show_all() - i.e. print the entire contents, even if it scrolls offscreen - change this setting to "cat" before starting Sherpa:
unix% setenv PAGER cat unix% sherpa
Print the fit information to the screen.
sherpa> show_fit("sherpa.fit", True)
Write the fit information to the file "sherpa.fit", clobbering any existing file with the same name.
See the bugs pages on the Sherpa website for an up-to-date listing of known bugs.