Widening of the Bands

[DaTr8dr]

In the following script, can someone suggest what might be changed to widen these bands?

Thanks,

DaTridr

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function preMain()
{
setPriceStudy(false);
setStudyTitle("Upper-Lower Pro Band");
setCursorLabelName("PL", 0);
setCursorLabelName("PU", 1);
setDefaultBarFgColor(Color.blue, 0);
setDefaultBarFgColor(Color.blue, 1);
}
function main(Length)
{
if (Length == null) Length = 18;
var SL = 0.0;
var SH = 0.0;
var Low = getValue("Low", 0, - Length);
var High = getValue("High", 0, -Length);
var SumBars = Length * (Length - 1) * .5;
var SumSqrBars = (Length - 1) * Length * (2 * Length - 1) / 6;
var Sum1_1 = 0.0;
var Sum1_2 = 0.0;
var SumY1 = 0.0;
var SumY2 = 0.0;
var i = 0;
for (i = 0; i < Length; i++)
{
Sum1_1 += i * Low[i];
Sum1_2 += i * High[i];
SumY1 += Low[i];
SumY2 += High[i];
}
var Sum2_1 = SumBars * SumY1;
var Sum2_2 = SumBars * SumY2;
var Num1_1 = Length * Sum1_1 - Sum2_1;
var Num1_2 = Length * Sum1_2 - Sum2_2;
var Num2 = SumBars * SumBars - Length * SumSqrBars;
SL = Num1_1 / Num2;
SH = Num1_2 / Num2;
var Value2 = 0.0;
var Value3 = 0.0;
var PL = 0.0;
var PU = 0.0;
for (i = 1; i <= Length; i++)
{
Value2=Low[i - 1] + (SL * i - 1);
Value3=High[i - 1] + (SH * i - 1);
if (i == 1)
{
PL=Value2;
PU=Value3;
};
if (Value2 < PL) PL = Value2;
if (Value3 > PU) PU = Value3;
}
return new Array (PL, PU);

[dloomis]

Try messing with the Length variable.

The easiet way to do this after the efs is loaded...

right click on chart, edit studies, then select the efs and edit length.