Linear Regression Reversal Indicator From Stocks And Commodities Magazine

[rgh1rgh]

I tried copying the formula for the Linear Regression Reversal Indicator from the current issue of Stocks and Commodities Magazine (December 2003) but get the message there is an error. Can someone tell me what the problem is. Thanks

function preMain()
{
setStudyTitle("Lin Reg Reverse");
setCursorLabelName("LRR",0);
setDefaultBarFgColor(Color.green,0);
setDefaultBarThickness(2,0);
}
function main(Length) {
if(Length == null) Length = 5;
var sum = 0;
var i = 0;
var mt = 0;
varWT = 0;
var vWT2 = getGlobalValue("WT2");
if(vWT2 == null) {
setGlobalValue("WT2", 0);
}
for(i = Length; i > 0; i--)
sum += (i - (Length + 1) / 3 * close(i - Length);
WT = 6/ Length * (Length + 1)) * sum
if (WT >= vWT2)
{
setGlobalValue("WT2", WT);
return 1;
}
else
{
setGlobalValue("WT2", WT);
return -1;
}
return;
}

[ACM]

rgh1rgh
There are actually two errors
This line
sum += (i - (Length + 1) / 3 * close(i - Length);
should be
sum += (i - (Length + 1) / 3) * close(i - Length);
and this line
WT = 6/ Length * (Length + 1)) * sum
should be
WT = (6/ Length * (Length + 1)) * sum
Hope this helps
Alex