Why EMA(CLV,7) does not return a value?
CLV = ((Close - Low) - (High - Close)) / (High - Low) ;/calculates the
location of close in the current bar
COL=IIf(CLV> 0.50,6,IIf( CLV<-0.50, 4,3));
Plot(CLV,"Close Location Value",COL,2) ;
Plot( EMA(CLV,7)," EMA CLV",3);