methods / methods-collated.poly.gnuploton commit [spec] add statistics notes up to 15E (a11aed7)
   1set table "methods-collated.poly.table"; set format "%.5f"
   2set format "%.7e";; set samples 1000; set dummy x; plot [x=-2:2] sgn(x)*(abs(x)**(1./3)) ;