[Gretl-users] Corrgm function

Hi, I'm working on version 1.8.4 of GRETL. I've been trying to use programmatically corrgm on two series. smpl -no-missing F_NFCB E_NFCB cgm = corrgm(F_NFCB,12,E_NFCB) but this fails with gretl version 1.8.4 Current session: 2009-09-07 19:54 ? smpl --no-missing F_NFCB E_NFCB ? cgm = corrgm(F_NFCB,12,E_NFCB) Missing values within sample -- can't do correlogram Error executing script: halting Any hints or clues what's wrong? Ofer Cornfeld