Help- trend indicator edit

[duzhaoping]

I have got a wonderful indicator named 'DZP Trend",it worked well in chinese stock market .I wonder it can work well in fx market yet.But i can't add it into FXCM Trading Station,please heip me
edit it in LUA format . The formula and function is as follow:
A:=(CLOSE-REF(CLOSE,M))/REF(CLOSE,M);
B:=(EMA(CLOSE,N)-REF(EMA(CLOSE,N),M))/REF(EMA(CLOSE,N),M);
DZP:(A-B)*100;

Who can help me?
Thanks all the time

[Apprentice]

Requested can be found here.
viewtopic.php?f=17&t=2654&p=5990#p5990

[duzhaoping]

Thank you very much! But the shape of the indicator is a continuous line rather than histograms. And the midline is 0. There are 2 parameters-N and M. The value range of N and M is both from 0 to 200. The default value of N is 20,of M is 22.The following example will show you more details.

[Apprentice]

Updated

[duzhaoping]

I have made a document by myself.but I can't load it in.And the system say"The technical indicator can not be loaded from the document."Can you help me to correct the mistakes and improve it？Thank you !

DZP Trend.lua

DZP Trend

(2.09 KiB) Downloaded 613 times

[Apprentice]

I have fix you Indicator.

DZP Trend.lua

(2.07 KiB) Downloaded 636 times

However, to warn you,
this implementation does not correspond to the original formula.

[duzhaoping]

Thank you for your patience. You've helped me a lot! I made a Excel to show you how it works.Thank you so much!

DZP Trend.xls

How it works

(46 KiB) Downloaded 613 times