series,x,y Conditional variance4,0,1.0 Conditional variance4,0.25,0.8125 Conditional variance4,0.5,0.625 Conditional variance4,0.75,0.4375 Conditional variance4,1,0.25 Conditional variance4,1.25,0.0625 Conditional variance4,1.5,-0.125 Conditional variance4,2,-0.5 Conditional variance4,3,-1.25 Conditional variance4,4,-2.0 Zero precision boundary,0,0 Zero precision boundary,0.25,0 Zero precision boundary,0.5,0 Zero precision boundary,0.75,0 Zero precision boundary,1,0 Zero precision boundary,1.25,0 Zero precision boundary,1.5,0 Zero precision boundary,2,0 Zero precision boundary,3,0 Zero precision boundary,4,0