DIFF :=EMA(CLOSE,12) - EMA(CLOSE,26);
DEA :=EMA(DIFF,9);
MACD :=2*(DIFF-DEA);
n1:sumbars(macd>0 and ref(macd<0,1),1);
n2:sumbars(macd<0 and ref(macd>0,1),1);
n3:sumbars(macd>0 and ref(macd<0,1),2);
n4:sumbars(macd<0 and ref(macd>0,1),2);
这个是要n:n1+n2+n3+n4; 这样吗?