Hi,
Thank you for your response. I will try to work a way with testing
buying/selling conditions, but what about the error == and =?
Thanks,
Louis
2008/8/2 Snoopy <[EMAIL PROTECTED]>
> Louis,
>
> As I said, I am new to AB as well.
>
> I do have some programming experience, and have worked with a different
> Technical Analysis software for several years. I am still trying to wrap my
> head around some of the programming concepts in AB and how they differ from
> my previous TA software programming.
>
> I have NO idea how to ACT on Buy or Sell Signals. I have not even made it
> to the point of plotting them for myself yet in AB.
>
> Most of my Analysis work is visual, but I am hoping to also develop some
> more mechanical trading programs. I have switched to AB due to the more
> robust programming environment, current technology, and the developer's
> willingness to work with users and implement their ideas.
>
> I find it refreshing and encouraging that one of my questions to support
> has been included as an improvement to the code in the newest beta software
> release.
>
> So, in answer to your question, I am not the guy that can help. You will
> need to KNOW what you would want to put into those sections of the IF
> statements. The first one might be blank, as you have already calculated
> the Signal. The second section would be to issue your buy or sell command.
> What and How you want to do that are really up to you. AFL gives you the
> flexibility to do just about anything you want.
>
> Good Luck.
>
>
> Louis P. wrote:
>
> Hi,
>
> I got an error message on this particular line, saying that the condition
> has to be numeric or boolean. This is why I replaced == by =.
>
> Here is what I have as a code:
>
> arsignal = IIf( C>MA (C,20), 1,0);
> arnotrade = IIf(HHV(arsignal,5)==1, 1, 0);
> if (arnotrade==1)
> {
> //don't ACT on Buy/Sell Signals
> // probably still want to calculate them
> }
> else
> {
> // code here for ACTING on your Buy/Sell signals
> }
>
> I'm still not sure what to write on the two particular line. Could you
> please give me an example?
>
> Thanks,
>
> Louis
>
>
> 2008/8/1 Snoopy <[EMAIL PROTECTED]>
>
>> Louis,
>>
>> It looks like you have: if(arnotrade=1)
>>
>> It should be: if(arnotrade==1)
>>
>> The first one does an Assignment. The second one does a Test for
>> equality;
>>
>> Also, it would be more helpful if you said what/how it didn't work. Since
>> I don't know what your error is, I am just guessing that it NEVER trades
>> since you ASSIGN the no trade zone value, and it will then process the first
>> section to "Don't Act on Buy/Sell signals".
>>
>> Blair
>>
>>
>>
>> Louis P. wrote:
>>
>> Hi Blair,
>>
>> Thanks for your response!
>>
>> For Problem 1, Mike gave me a simplier solution and it works fine.
>>
>> For Problem 2, I used your code. Here is what I wrote:
>>
>> achat=Buying condition (e.g. C>Ma (c,20);
>> arsignal = IIf(achat, 1,0);
>> arnotrade = IIf(HHV(arsignal,5)==1, 1, 0);
>> if (arnotrade=1)
>> {
>>
>> //Sell =C< Ref (LLV (C,1),-1);
>> Sell=0;
>> //don't ACT on Buy/Sell Signals
>> // probably still want to calculate them
>> }
>> else
>> {
>>
>> Sell =C< Ref (LLV (C,1),-1);
>> // code here for ACTING on your Buy/Sell signals
>> }
>>
>> I used lowest value of 1 day only to test, but unfortuntately it does not
>> work... Should have an easiest way?!
>>
>> Thanks!
>>
>> Louis
>>
>>
>>
>> 2008/7/30 Blair <[EMAIL PROTECTED]>
>>
>>> Louis,
>>>
>>> I am new to AB, but hopefully this can help out...
>>>
>>> First:
>>> Create an array for the period that you want to plotshapes.
>>> Have your code assign the value to the array.
>>> Have your code check for the value using ref(arrayname,-1).
>>>
>>> Sample code:
>>> arplot = iif(somecondition,1,0);
>>> plotcondition = ref(arplot,-1);
>>> if (plotcondition==1)
>>> plotshape(....).;
>>>
>>> Second:
>>> Similar to above, use an array and check if you have a signal within
>>> last x(5) periods.
>>>
>>> Sample code:
>>> arsignal = iif(yourbuyorsellsignalcondition, 1,0);
>>> arnotrade = iif(HHV(arsignal,5)==1, 1, 0);
>>> if (arnotrade==1)
>>> {
>>> //don't ACT on Buy/Sell Signals
>>> // probably still want to calculate them
>>> }
>>> else
>>> {
>>> // code here for ACTING on your Buy/Sell signals
>>> }
>>>
>>> I hope this is helpful for you.
>>>
>>> Blair
>>>
>>>
>>> --- In [email protected] <amibroker%40yahoogroups.com>, "Louis
>>> P." <[EMAIL PROTECTED]> wrote:
>>> >
>>> > Hi,
>>> >
>>> > I have* two* easy questions, if anyone can help me.
>>> >
>>> > *First*, I'd like to draw plotshapes not on the period the signal
>>> was issued
>>> > but on the period after the signal was issued. How can that be done?
>>> >
>>> > *Then*, (I asked this question already on the web site of the group,
>>> but for
>>> > some reason I didn't receive it in my mailbox so maybe there is a
>>> problem.
>>> > If you already received this question, please discard this one), I
>>> wonder
>>> > how to create a no-trade zone:
>>> >
>>> > I know how to do an automatic "sell after X period":
>>> >
>>> > Buy = c>ma (c,20);
>>> > Buy = Exremspan (Buy,5);
>>> > Sell = Ref (Buy,-5);
>>> >
>>> > I'd like to set a trade system that would begin to look for signals
>>> AFTER
>>> > that "no-trade" zone.
>>> >
>>> > E.g. In the example above, I'd like the system to do nothing for the
>>> first 5
>>> > bars after my entry and then, and only then, check for an exit
>>> signal. How
>>> > would you do that?
>>> >
>>> > Thanks a lot, and sorry if you received question 2 twice!
>>> > Louis
>>> >
>>>
>>>
>>
>> --
>> *Snoopy *
>> "Still trying to shoot down that Red Baron"
>>
>
>
> --
> *Snoopy *
> "Still trying to shoot down that Red Baron"
>
>
