[amibroker] Fw: valuewhen

["derbas" <derbas@xxxxxxxxxx>]

 

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

From: teksöz

To: tj@xxxxxxxxxxxxx

Sent: Tuesday, July 19, 2005 7:22 PM

Subject: valuewhen

hi..

I can't understant valuewhen funcion..

please can you translate to matastok code to ami..

thanks..

uğur teksöz

 

1-

{Hourly MACD - Close}
  D:=Input("Signal periods (Hours)",1,19,9);
Q:=Input("1=Dynamic last bar,  2=Sample only @ end of hour",1,2,1);
 {1=dynamic last hour, MS compatible}
 {2=sample end of hour when available}
A:=Minute()=0;
B:=Hour()<>ValueWhen(2,1,Hour()) OR DayOfWeek()<>ValueWhen(2,1,DayOfWeek());
F:=LastValue(Cum(1))=Cum(1);
X:=0.15; Y:=0.075; D:=2/(D+1);
J:=If(A,1,If(Alert(A,2)=0 AND B,2,0));
J:=If(F AND J=0 AND Q=1,1,J);
K:=ValueWhen(1,J,If(J=1,C,ValueWhen(2,1,C)));
M:=If(Cum(J>0)=1,K,ValueWhen(1,J,PREV)*(1-X)+K*X);
N:=If(Cum(J>0)=1,K,ValueWhen(1,J,PREV)*(1-Y)+K*Y);
R:=M-N;
Z:=If(Cum(J>0)=1,R,ValueWhen(1,J,PREV)*(1-D)+R*D);
R; {MACD} Z; {signal}

 

 

 

2.

lookback:=Input("....",1,100,10);
Resistance:=ValueWhen(1,Cross(Mov(C,lookback,S),C),HHV(H,lookback));
support:=ValueWhen(1,Cross(Mov(C,lookback,S),C),LLV(L,lookback));
Resistance;
support;

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