See Ref function in the user guide.
http://www.amibroker.com/guide/afl/afl_view.php?name=ref

MyArray = Ref(whatever, -1); // Copy previous bar's values.

Mike
--- In [email protected], "rselmanl" <no-cents-...@...> wrote:
>
> Can someone help?
> 
> I want to copy the previous bars value into the current bar.  E.G.  
> myArray[BarCount - 1] = myArray[BarCount - 2]; 
> This starts incrementing the array value.
> Of course I wait until there are enough values to make the move.
> Please see below (the last couple of lines especially).
> 
> Your help is appreciated!
> 
> -Ron
> 
> "BarCount() = " + WriteVal(BarCount); //Not relevant ~16K bars...
> "BarIndex() = " + WriteVal(BarIndex());  //Think this is location in array.
>       
> myArray[0] = 2.0;
> myArray[1] = 2.0;
> myArray[2] = 2.0;
> myArray[3] = 2.0;
> myArray[4] = 1.0;
> myArray[5] = 1.0;
> myArray[6] = 1.0;
> myArray[7] = 5.0;
> myArray[8] = 5.0;
> myArray[9] =  myArray[4];
> myArray[10] = 5.0;
> myArray[11] = 5.0;
> myArray[12] = 5.0;
> myArray[13] = 5.0;
> myArray[14] = 5.0;
> myArray[15] = 5.0;
> myArray[16] = 5.0;
> myArray[17] = 5.0;
> myArray[18] = 5.0;
> myArray[19] = 5.0;
> myArray[20] = 1.0; //above is okay it seems.
> 
> 
> if(LastValue(BarIndex(), False) > 15)
> {  //printf statements seem to work.  
>       printf("\nmyArray[Lastvalue(BarIndex(), False) - 3] = %f\n", 
> myArray[LastValue(BarIndex(), False) - 3]);
>       printf("myArray[Lastvalue(BarIndex(), False) - 2] = %f\n", 
> myArray[LastValue(BarIndex(), False) - 2]);
>       printf("myArray[Lastvalue(BarIndex(), False) - 1] = %f\n", 
> myArray[LastValue(BarIndex(), False) - 1]);
>       printf("myArray[Lastvalue(BarIndex(), False) - 0] = %f\n", 
> myArray[LastValue(BarIndex(), False) - 0]);
>       myArray[BarCount - 1] = myArray[BarCount - 2]; //same problem on next 
> line.
> //    myArray[LastValue(BarIndex())] = myArray[LastValue(BarIndex()) - 1];
> }
> //a plot statement will also increment and then drop to zero.
> printf("\nLastValue(myArray, False) = %f\n\n", LastValue(myArray, False));
>


Reply via email to