XSPEC Quick Look Guide Help Plotting help - help on commands plot - make a plot modelhlp - help on models iplot - interactive plot hardcopy - hardcopy of plot cpd - set plot device setplot group - group datasets The Data setplot rebin - bin up data for plotting setplot com - add PLT command to stack data - read in spectra setplot del - remove PLT command back - change background setplot list - list PLT command stack resp - change response corf - change correction file ignore - ignore channels notice - notice channels Plot options data - counts vs. channel The Model ecda - counts vs. energy res - residuals vs. channel model - define model ecr - residuals vs. energy newpar - set parameters chis - chisq vs. channel freeze - freeze parameters echi - chisq vs. energy thaw - thaw parameters model - model (photons vs. energy) addcomp - add model component ufsp - deconvolved data delcomp - remove model component cont - chisq contour (after step) ratio - data/model vs. channel erat - data/model vs. energy Comparing eff - detector efficiency vs. energy fit - fit model to data uncert - find error bounds Miscellaneous stat - change fit statistic step - step parameters log - write log file hist - write history file show - show status Fluxes save - save setup to file dump - dump model and data flux - flux from model chat - set chatter level eqw - equivalent width reex - redo old commands dummy - set dummy energy ranges exit - exit quit - exit Other programs rdpha - read pha file rdrsp - read response file chanpha - change pha file rdhis - read history file xplot - plot history file