! error at line 7, 'data' was ommitted ! and warnings from all the files legend "example two" key at end yaxis from -10 to 10 plot "DATA SET 1" x=1 y = 2 data "data1" plot "DATA SET 2" x= 1 y= 3 data "data2" 1 2 2 4 8498598 598 98 98 9 598 59