qa332255 2008-1-28 18:15
求 : n(26)天内的 阳线(阴线)成交量之和?
语句怎么表达?
peter109 2008-1-29 22:29
RX:=ISUP OR (O=C AND C>ref(C,1));
RV:SUM(V*RX,N);//N天內陽線成交量的和
GV:SUM(V,N)-RV;//N天內陰線成交量的和
shangjing558 2008-1-30 12:30
求 : n(26)天内的 阳线(阴线)涨,跌幅之和?请导师指点!谢谢~~~
peter109 2008-1-31 01:33
RX:=ISUP OR (O=C AND C>ref(C,1));
ZF:=C-ref(C,1);//漲跌
Rzf:SUM(ZF*RX,N);//N天內陽線漲幅的和
Gzf:SUM(ZF,N)-RV;//N天內陰線漲幅的和
hylhjz 2008-2-3 00:55
//涨,跌幅之和:
ZDF:=(C-ref(C,1))/c*100;
ZZH:sum(if(zdf>=0,zdf,0),26);
DZH:sum(if(zdf<0,zdf,0),26);
//或者:
S:=C>O OR C=O AND C>REF(C,1); T:=NOT(S);
sum(if(S,ZDF,0),26);
sum(if(T,ZDF,0),26);
//成交量之和:
sum(if(zdf>=0,v/100,0),26);
sum(if(zdf<0,v/100,0),26);
//或者:
S:=C>O OR C=O AND C>REF(C,1); T:=NOT(S);
sum(if(S,v/100,0),26);
sum(if(T,v/100,0),26);
[[i] 本帖最后由 hylhjz 于 2008-2-3 01:14 编辑 [/i]]