On Wed, 12 Jan 2011, [ISO-8859-1] Alejandro Mosi�o wrote: No, but you can make your own gnuplot graph from corrgm output quite easily using the corrgm() function. For example open data9-7 matrix c = corrgm(QNC, 12) gnuplot 1 --time-series --with-impulses \ --matrix=c --output=display If you click on the resulting plot and choose "Edit" you can fine-tune its appearance (e.g. adjust the y-axis range and the line-width for the impulses). Allin Cottrell