Re: [amibroker] iif and ref

["ed nl" <ed2000nl@xxxxxxx>]

not sure what you want to do but the result of your code is: ab = C.  That's why you will only see C plotted.

 

you start with:

 

ab = C - 100;

 

then

 

if  C is less than Ref(ab,-1)  This will be very unlikely to happen for normal close prices because ab is the close minus 100

 

then it goes to the else part:

 

else if C is greater than Ref(ab,-1). Well yes this will probably always be answered with yes (for normal price arrays) so that's why ab will be set to C

 

rgds, Ed

 

----- Original Message -----

From: Arie Ellerbrak

To: amibroker@xxxxxxxxxxxxxxx

Sent: Saturday, February 05, 2005 4:02 PM

Subject: [amibroker] iif and ref

I’m trying to write a very simple indicator that references itself.

 

Like:

 

ab = C - 100;

 

ab =   IIf(C < Ref(ab,-1), C + 100,

             IIf(C > Ref(ab,-1), C,

             C - 100));

 

Plot(C,"Close",colorBlue);

Plot(ab,"ab",colorRed);

 

 

In my first attempts I didn’t use the first assignment of zz and got an error:

Variable 'zz' used without having been initialized.

 

Now, no errormessages appear, but only the close will be plotted.

 

Can anyone help?

 

 

Arie

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