Need help with a formula

[lark]

Hi, I have been using esignal for awhile now, but this is my first time in the chat. I have a question and am not sure where to post it, so I'll post it here and see if anyone responds.

Would someone kindly help me with this formula:

TSI formula is:

TSI(Close,r,s) = 100 * EMA(EMA(MTM,r),s)/EMA(EMA(|MTM|,r),s)

Where MTM = Momentum = Close [today] - close[yesterday]
computed for r =32, s = 5 days...

I typed it in a notepad file and saved it in the downloads folder as a .txt file, but this file is not in the folder. Obviously, the formula is wrong or something else is wrong.

Help, please.

[lark]

Re: Reply to post 'Need help with a formula'

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JayF - thank you for your response. Unfortunately, I didn't see where
the formula was attached, and I didn't understand your instructions.
Technical support said I had to type in the Javascript code and place it
in the download folder. I don't think TSI is in esignal where I can
just tweak it through edit studies. Any further explanation of your
response would be appreciated.

[email protected] wrote:

Hello lark,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[lark]

Re: Reply to post 'Need help with a formula'

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Would you please send me the formula again. It was not attached to your
original reply. Thanks.

[email protected] wrote:

Hello lark,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[JayF]

lark,

My first attempt at the TSI was incorrect, so I will attempt a new one soon. Please ignore my original response, and I'll work on a new version as soon as I can scrape up some time.

[lark]

Re: Reply to post 'Need help with a formula'

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Thank you. Under File Sharing I found someone by the name of Matt who
posted a TSI.efs, but my download was unsuccessful. And, NOW it is not
listed. I don't understand what happened to it and why it isn't in the
list any longer. I thought I had found it under specialty scripts. If
I ever find it again, I'll let you know.

[email protected] wrote:

Hello lark,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[JayF]

Try this URL to download a TSI formula. Please let me know if this formula works for you, or if the numbers are different then what is expected.

Ergotic_TSIMAG.efs

[JayF]

I see that you are receiving posts by email, and the first URL might have been bad. Please try this...

http://share.esignal.com/download.jsp?groupid=1&folder=EFS Tweaks&file=Ergotic_TSIMAG.efs

[lark]

Re: Reply to post 'Need help with a formula'

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I just found it again. I am copying the code Matt posted, but there is
a syntax error somewhere. I placed it in my downloads folder and tried
it. Any help you can provide to get this working and to tweak it so it
matches the parameters in my original email would be so greatly
appreciated. I know people using this with tradestation, but I believe
their scripting is different than esignal.

/************************************************** *****************
Description : This Indicator plots Ergotic_TSI indicator
Provided By : Developed by TS Support, LLC for eSignal. (c) Copyright
2002
************************************************** ******************/
function preMain()
{
setStudyTitle("Ergotic_TSI");
setCursorLabelName("ErgTSI", 0);
setCursorLabelName("SigLin", 1);
setCursorLabelName("ZeroLine", 2);
setDefaultBarFgColor(Color.fushcia, 0);
setDefaultBarFgColor(Color.grey, 1);
setDefaultBarFgColor(Color.cyan, 2);
}
var XA1_1 = 0.0;
var XA2_1 = 0.0;
var XA3_1 = 0.0;
var aXA1_1 = 0.0;
var aXA2_1 = 0.0;
var aXA3_1 = 0.0;
var XA_1 = 0.0;

var XA1 = 0;
var XA2 = 0;
var XA3 = 0;
var aXA1 = 0;
var aXA2 = 0;
var aXA3 = 0;
var XA = 0;

function main(sPrice, r, s, u, ZeroLine, SmthLen)
{
if (sPrice == null) sPrice = "Close";
if (r == null) r = 4;
if (s == null) s = 8;
if (u == null) u = 6;
if (ZeroLine == null) ZeroLine = 0;
if (SmthLen == null) SmthLen = 3;
// makes sense
var Price = getValue(sPrice, 0, -2);
// MAG
if(Price == null) {
return;
}
var vPrice = Price[0] - Price[1];
// MAG (moved from bottom of formula)
if (getBarState() == BARSTATE_NEWBAR)
{
XA1_1 = XA1;
XA2_1 = XA2;
XA3_1 = XA3;
aXA1_1 = aXA1;
aXA2_1 = aXA2;
aXA3_1 = aXA3;
XA_1 = XA;
}
/**
XA1 = XA1_1;
XA2 = XA2_1;
XA3 = XA3_1;
aXA1 = aXA1_1;
aXA2 = aXA2_1;
aXA3 = aXA3_1;
XA = XA_1;
**/


// constants
var FactorR = 2 / (r + 1);
var FactorS = 2 / (s + 1);
var FactorU = 2 / (u + 1);

// MAG removed 'var'
XA1 = FactorR * vPrice + (1 - FactorR) * XA1_1;
XA2 = FactorS * XA1 + (1 - FactorS) * XA2_1;
XA3 = FactorU * XA2 + (1 - FactorU) * XA3_1;
vPrice = Math.abs(Price[0] - Price[1]);
// MAG removed 'var'
aXA1 = FactorR * vPrice + (1 - FactorR) * aXA1_1;
aXA2 = FactorS * aXA1 + (1 - FactorS) * aXA2_1;
aXA3 = FactorU * aXA2 + (1 - FactorU) * aXA3_1;
var Val1 = 100 * XA3;
var Val2 = aXA3;
var TSI = 0.0;
if (Val2 != 0) TSI = Val1 / Val2;
else TSI = 0.0;
var Factor = 2 / (SmthLen + 1);

// MAG removed 'var'
XA = Factor * TSI + (1 - Factor) * XA_1;
return new Array(TSI, XA, ZeroLine);

[email protected] wrote:

Hello lark,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[JayF]

lark,

With the link provided in my last email, that version should work fine. I believe there was a non-functional version posted on the File Sharing site, and then Matt came back at some later point with a corrected version.

[lark]

Re: Reply to post 'Need help with a formula'

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JayF - thanks for your help. But, I still don't have the code your
messages refer to. When I click on the link in your previous email, it
doesn't result in a message with the code in it. I'm sure it's probably
something I'm not doing. So, if it wouldn't be too much to ask, could
you cut & paste the code into an email message and send it to me via my
regular email address which is [email protected]
<mailto:[email protected]> . Sorry for being such a newbie. Thanks.

[email protected] wrote:

Hello lark,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[ACM]

lark
If you actually looked at the messages/thread while online in the Bulletin Board (ie where you posted your original request) you would have the correct links.
To get to this thread just click on the "This thread is located.." link that is provided at the bottom of the email message sent to you by eSignal Forums.
Alex

[lark]

Re: Reply to post 'Need help with a formula'

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Thanks, Alex. I was able to get to the right forum this time and see
JayF's
messages to me.

JayF - I saved your
<http://share.esignal.com/download.js...d=1&folder=EFS
Tweaks&file=Ergotic_TSIMAG.efs> Ergotic_TSIMAG.efs file as is (in it's
entirety) to the esignal, Formulas, downloads folder. But, when I go to
my charts and try to add this indicator, I still get a pop-up box that
says there's a syntax error.







[email protected] wrote:

Hello lark,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[JayF]

Here are some questions on the subject...

- What version of eSignal are you running?
- Are you adding the updated version of the EFS to your chart or the old one?
- What is the text of the Syntax Error?
- What symbol and interval are you using when getting the error?

On a ES U3, 5-minute chart, the attached EFS is working for me. FYI, I renamed it so it wouldn't get confused with another version.

[lark]

Re: Reply to post 'Need help with a formula'

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JayF - I received an .efs file from another user - and this one works
okay. Thank you for trying to help me.

Best Regards, Deena

[email protected] wrote:

Hello lark,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~