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Kevin,
The formula was originally written back in 1999 and posted on the
Guppy site back in April of 2000. Strange that no one saw the problem
until now. Maybe a result of the bear market.
The formula as posted works correctly. It plots either a 3MA high or
a 3MA low overlaping on the bar at which the close is greater/less
than " YESTERDAY'S " MA. Notice the use of the ref statement in the
first line...HLd:=If(CLOSE>Ref(Mov(H,3,S),-1) So we are indeed
looking for a close greater that yesterday's MA.
To make the change you want simply change the formula to:
{Gann HiLo Kevin Modified}
Lb:=Input("Look-Back Periods?",2,80,3);
HLd:=If(CLOSE>Mov(H,Lb,S),
{then}1,
{else}If(CLOSE<Mov(L,Lb,S),
{then}-1,
{else}0));
HLv:=ValueWhen(1,HLd<>0,HLd);
HiLo:=If(HLv=-1,
{then}Mov(H,Lb,S),
{else}Mov(L,Lb,S));
HiLo;{end}
Now you should get a resulting plot of either a 3MA high or 3MA
low on the bar at which the close is greater/less than the "current"
MA.
Preston
--- In equismetastock@xxxxxxxxxxxxxxx, Kevin Barry <kevin_barry@xxx>
wrote:
>
> Hello,
>
> I am in the process of rewriting the Gann Hi-Lo indicator using as
my
> starting point the following formula by Adam Hefner:
>
> HLd:=If(CLOSE>Ref(Mov(H,3,S),-1),
> {then}1,
> {else}If(CLOSE<Ref(Mov(L,3,S),-1),
> {then}-1,
> {else}0));
> HLv:=ValueWhen(1,HLd<>0,HLd);
> HiLo:=If(HLv=-1,
> {then}Mov(H,3,S),
> {else}Mov(L,3,S));
> HiLo;
>
> The resulting plot is not quite correct because the 3MA high and
the 3MA
> low plots should overlap on the bar at which the close is
greater/less than
> the current MA.
>
> The obvious solution is to create two plots GannHi and GannLo to
replace
> the HiLo plot. However, we would need to specify an If statement
without
> the ELSE condition.
>
> We can't write If(HLv=-1,Mov(H,3,S),0) because it doesn't plot
correctly.
>
> Any suggestions for creating an equivalent of IF without the need
to
> provide an ELSE parameter?
>
> Many thanks in advance.
>
> Regards,
> Kevin
>
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