Thank you very much for your help. I am sorry to bother you with stupid questions many times. Could you tell me where and how I could get the external functions "eof_space" "eof_stat" "eof_tfunc" of your eof_coads_clim.jnl. Takaya Namba ________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com