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nsvv

NumericSeries and Arrays in Easylanguage

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I am trying to write a multitimeframe system in Easylanguage. I basically have a higher timeframe system that works but would like to add some lower time frame logic to it to make it better.

 

I have created arrays for the higher time frame o h l and c. When I try to use xaverage on those arrays, Multicharts complains of incorrect argument type. I assume this is because the Xaverage requires NumericSeries as input and not an array.

 

How do I get around this?

Edited by nsvv

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xaverage works on a "series" of data.

 

eg.

xaverage(close, 20) is the exponential average of the following data series:

 

close, close[1], close[2], close[3].... close[19]

 

 

you can replace "close" with any data series you want,

eg.

High, High[1], High[2]....,

medianprice, medianprice[1], medianprice[2]....,

pivot, pivot[1], pivot[2]... ,

etc.

 

...so long as you can wrangle a series of data into xaverage... you will be ok

Edited by Tams

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Yes, as long as the data is in DataSeries form it works of course.

 

Now, how do I convert an array to a DataSeries so that I can use xaverage?

 

Or maybe making my own version of the Xaverage function so that it accepts arrays instead of Dataseries is the only solution? This wouldnt be as good since I would probably have to rewrite other indicators to accept arrays too.

 

I tried the easier sounding solution of adding the same instrument in different higher time frame and using Data2 to access it but signals dont match at all. Does multicharts expand the higher time frame to match the lower one?

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....

Now, how do I convert an array to a DataSeries so that I can use xaverage?

...

 

you haven't described your array.

you are talking in general terms;

you will need to give specific detail to get specific answers.

Edited by Tams

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it is just a regular static array

 

I collect closing prices to it like this:

 

if hour>hour[1] then

begin

for value1=0 to 14 begin

htfClose[i+1]=htfClose;

end;

htfClose[0]=Close;

end;

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you should use code tags. That's the # key on the top of the message window.

 

Tagged code looks like this:

 

if hour>hour[1] then
begin
   for value1=0 to 14 
   begin
       htfClose[i+1]=htfClose[i];
   end;

   htfClose[0]=Close;

end;

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it is just a regular static array

...

 

average is easy...

just get the array_sum and divide it by the number of elements.

 

xaverage is a bit tricky,

you have to add the array elements one by one and then do the calculation the long way.

 

with the speed of modern computer, it is not an unsurmountable task.

Edited by Tams

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it is even easier than that, just use the built in average_a function.

 

I tried making a XAverage_a function but there is probably something wrong in it since no trades are generated. If anyone can find the fault, I would be grateful.

 

inputs: 
PriceValue[M](numericArrayRef), 
Len( numericsimple ) ;                                             

variables: 
factor( 2 / ( Len + 1 ) ) ;

XAverage_A = PriceValue[M];

      for value1 = M-1 to 0 begin
XAverage_A = XAverage_A + factor * ( PriceValue[value1] - XAverage_A ) ;
end;

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Multiple time frame system???

Why not first reading the 2 books by George Pruitt and John Hill ?

They could be very illuminating.

Moreover remember that is the shorter time frame that should lead the buy/sell signals....

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