EViews.com

dear sir,or madam
if you know how to plot news impact curve for garch,egarch and tarch simultanously to compare the effects of news please send me the commands.also i want to know how to test the engle and ng methodology for testing sign and size bias test.your kind reply would be appreciated.
best regards
hojat

Try eviews 4 user's guide. As far as I know in subsequent versions of this user's guide it's cut out...