Syntax:
-fastchi2 <"Nharm" <"fix" val | "list" | "fixcolumn" <colname | colnum>> <"freqmax" <"fix" val | "list" | "fixcolumn" <colname | colnum>> ["freqmin" <"fix" val | "list" | "fixcolumn" <colname | colnum>] ["detrendorder" <"fix" val | "list" | "fixcolumn" <colname | colnum>] ["t0" <"fix" val | "list" | "fixcolumn" <colname | colnum>] ["timespan" <"fix" val | "list" | "fixcolumn" <colname | colnum>] ["oversample" <"fix" val | "list" | "fixcolumn" <colname | colnum>] ["chimargin" <"fix" val | "list" | "fixcolumn" <colname | colnum>] ["Npeak" val] ["norefitpeak"] ["oper" outdir ["nameformat" format]] ["omodel" outdir ["nameformat" format]] ["omodelvariable" varname] Example 1.****TBD****
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