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Re: [amibroker] Re: 'remebering' a value



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Yes, thank you for pointing this out.

Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message ----- 
From: "sidleysh" <steves@xxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Friday, July 12, 2002 11:41 AM
Subject: [amibroker] Re: 'remebering' a value


> I have just noticed that TJ may have made an error when he cut and 
> pasted from the VBscript code that is in the manual to put in his 
> post.
> 
> His 3rd comment line below reads:
> 
> // sell = 0 would set the type to numbersell = buy; 
> 
> it SHOULD read:
> 
> // sell = 0 would set the type to number
> sell = buy; 
> 
> That is why some people got the type mismatch error
> 
> The code is correct in the manual.
> 
> Steve
> 
> 
> --- In amibroker@xxxx, "Tomasz Janeczko" <amibroker@xxxx> wrote:
> > Hello,
> > 
> > A very similar example is included in the User's Guide: AmiBroker 
> Formula Language "AFL Scripting Host":
> > [code]
> > EnableScript("VBScript");
> > hh = HHV( close, 250 );
> > // buy when prices reaches a new high
> > buy = Close == HHV( close, 250 ); 
> > 
> > // ensure that sell is an array, 
> > // sell = 0 would set the type to numbersell = buy; 
> > 
> > <%
> > close = AFL("close")
> > buy = AFL( "buy" )
> > sell = AFL("sell")
> > ' this variable holds last buying price
> > ' if it is zero it means that no trade is open
> > lastbuyprice = 0
> > ' iterate along the array
> > for i = 0 to UBound( close )
> > sell( i ) = 0
> > ' Remove Buy signals if trade was already initiated
> > if( lastbuyprice > 0 ) then
> > buy( i ) = 0
> > end if
> > ' if there is no open trade and buy signal occurs 
> > ' get the buying price
> > if ( lastbuyprice = 0 ) AND (buy( i ) = 1) then
> > lastbuyprice = close( i )
> > end if
> > ' if trade is open and sell condition is valid 
> > ' generate sell signal
> > ' and close the trade
> > if (lastbuyprice >0 ) AND ( close( i ) > ( 1.1 * 
> lastbuyprice ) ) then
> > sell( i ) = 1
> > lastbuyprice = 0
> > end if
> > next
> > AFL("buy") = buy
> > AFL("sell") = sell
> > %>
> > buy = buy;
> > 
> > [/code]
> > 
> > Best regards,
> > Tomasz Janeczko
> > amibroker.com
> > ----- Original Message ----- 
> > From: "sidleysh" <steves@xxxx>
> > To: <amibroker@xxxx>
> > Sent: Thursday, July 11, 2002 10:29 AM
> > Subject: [amibroker] 'remebering' a value
> > 
> > 
> > > I have a simple AFL problem (as a newbie), which is 
> straightforward 
> > > in traditional languages, but I cant seem to find a solution in 
> AFL 
> > > 
> > > 1) I want to generate a buy when condition is true. 
> > > 2) After that I want to buy every time the closing price is x% 
> higher 
> > > than the price of my previous buy. 
> > > 
> > > Because I cant 'store' the price of the previous buy, I do not 
> how to 
> > > do this. 
> > > 
> > > Any ideas? 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > Your use of Yahoo! Groups is subject to 
> http://docs.yahoo.com/info/terms/ 
> > > 
> > > 
> > >
> 
> 
> 
> 
> 
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ 
> 
> 
>