Re: [amibroker] Easy question again, AmiBroker Email List Archive

Hi Ton,

Did you try to scroll through data, and change symbols? I still get that empty result for the red line very often...

Thanks,

Louis

2008/7/23 Ton Sieverding <ton.sieverding@xxxxxxxxxx>:

Put a Param in Period and you'll see what happens Louis ... Sometimes I am getting both lines but in most of the times not ... If that's the problem. I just tested the code and did not get the second Plot. When looking to the code it's array dependent. So the above result is normal for me ...

Regards, Ton.

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

From: Louis Préfontaine

To: amibroker@xxxxxxxxxxxxxxx

Sent: Tuesday, July 22, 2008 2:02 PM

Subject: Re: [amibroker] Easy question again

Here is the complete code so anyone can test it:

Period = 30;
LowestClose= Ref (LLV(C, Period),-5);
RSIatLowestClose =ValueWhen(C == LowestClose, RSI(15));

CurCloseToPastClose = C / LowestClose;
CurRSI_To_RSIatLowestClose = RSI(15) / RSIatLowestClose;

Plot(Curclosetopastclose, "\n" +Curclosetopastclose+ " - curclosetopastclose", colorBlue);
Plot(CurRSI_To_RSIatLowestClose, "\n" +CurRSI_To_RSIatLowestClose+ " - CurRSI_To_RSIatLowestClose", colorRed);

Louis

2008/7/22 Louis Préfontaine <rockprog80@xxxxxxxxx>:

Euh... sorry. I meant EMPTY, not zero. It seems like it does not return a numeric value.
Louis

2008/7/22 Louis Préfontaine <rockprog80@xxxxxxxxx>:

Hi,

I tried this:

Instead of

LowestClose= LLV(C, Period)

I wrote

LowestClose= Ref (LLV(C, Period),-5);

but for some reason about one third of the time the value of CurMFI_To_MFIatLowestClose is zero and I can't draw any line. Do you get the same results?

Thanks,

Louis

2008/7/21 Louis Préfontaine <rockprog80@xxxxxxxxx>:

A last question: Would it be possible to get a past peak that is not the exact LLV of today? Because today or yesterday might be the LLV of the last 20 days. I'd like to set somehow a buffer zone; e.g. I want to look for the LLV that is NOT in the last 5 days (it would exclude today, or yesterday and the days before). That may be very useful. How would one do that? I tried this:

LowestClose= LLV(C, Period) AND NOT Ref (C,-1) AND NOT Ref (C,-2) AND NOT Ref (C,-3) AND NOT Ref (C,-4);

but it is a failure...

Thanks again!

Louis

2008/7/21 Louis Préfontaine <rockprog80@xxxxxxxxx>:

Thanks, it works well!

Louis

2008/7/21 Thomas Z. <tzg@xxxxxxxxxxxxxxxxxxx>:

Ah, yes, the following line should be changed: RSIatLowestClose =
ValueWhen(C == LowestClose, RSI(15));

Thomas
www.PatternExplorer.com

From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of Louis Préfontaine
Sent: Monday, July 21, 2008 11:51 PM

To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Easy question again

Thanks,

I added the two following plot to the formula:

Period = 20;
LowestClose= LLV(C, Period);
RSIatLowestClose = ValueWhen(LowestClose, RSI(15));

CurCloseToPastClose = C / LowestClose;
CurRSI_To_RSIatLowestClose = RSI(15) / RSIatLowestClose;

Plot(Curclosetopastclose, "\n" +Curclosetopastclose+ " -
curclosetopastclose", colorBlue);
Plot(CurRSI_To_RSIatLowestClose, "\n" +CurRSI_To_RSIatLowestClose+ " -
CurRSI_To_RSIatLowestClose", colorRed);

Unfortunately the red line is always 1. I must have done something
wrong...

Thanks,

Louis

2008/7/21 Thomas Z. <tzg@xxxxxxxxxxxxxxxxxxx>:
I guess it is possible to get the price, simply by writting
ValueWhen(LowestClose, Close); right?
Yes, correct. You can also even get any other value.

There is an additional optional parameter that allows to get the value of
the last n-th recent occurrence.
Example: ValueWhen(LowestClose, Close, 2);

Thomas
www.PatternExplorer.com

From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of Louis Préfontaine
Sent: Monday, July 21, 2008 11:37 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Easy question again

Thanks a lot! That was what I was looking for.

I guess it is possible to get the price, simply by writting
ValueWhen(LowestClose, Close); right?

BTW, when and how do you use your CurCloseToPastClose... Seems really
interesting as a concept.

Louis
2008/7/21 Thomas Z. <tzg@xxxxxxxxxxxxxxxxxxx>:
Hello,

You can do this with the following code:

Period = 20;
LowestClose= LLV(C, Period);
RSIatLowestClose = ValueWhen(LowestClose, RSI());

CurCloseToPastClose = C / LowestClose;
CurRSI_To_RSIatLowestClose = RSI() / RSIatLowestClose;

Thomas
www.PatternExplorer.com

From: amibroker@xxxxxxxxxxxxxxx [mailto:amibroker@xxxxxxxxxxxxxxx] On Behalf
Of Louis Préfontaine
Sent: Monday, July 21, 2008 11:02 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: [amibroker] Easy question again

Hi,

Another easy question here. (I'm still juggling with the difficult things
and thanks again to the people who helped me; but why not add this little
twist while I'm here).

I'd like to use to know how to use valuewhen to make it possible to know
what was the price at a particular time.

I had a look in the manual to many files which unfortunately had zigzag
functions in them. This is not what I'm looking for.

What I'd like to do is to compare the price right now to the LLV C of the
last X periods and to get the value of RSI of that LLV C at that time to
compare it with the RSI right now.

Is this possible, without Zig function?

Thanks,

Louis