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I had
no problem understanding what you meant in the RSI example. However, I
think that even if we had the capability of passing variable "periods" to
functions, we would first have to convert them to integers.
Otherwise, TJ (or the function) would have to make some assumptions that
we might not like.
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In
your example, the ATR could be something like 8.3. I'm suggesting
that we would need to use an Integer, Truncate, Round or
RoundUp function to make that number either 8 or 9 before passing it to the
(new) RSI function.
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This
discussion started with a question about using variable number of periods for
LinRegSlope. I think most people continued the discussion about
variable periods for other functions. The discussion then grew into
other possible variables, which is fine. I, for one, would put
the emphasis on variable periods.
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<FONT face="Times New Roman"
size=2>-----Original Message-----From: CS
[mailto:csaxe@xxxxxxx]Sent: Thursday, April 17, 2003 4:08
PMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re: [amibroker]
Re: AmiBroker 4.31.0 BETA Question
I clearly wrote RSI(14) vs. RSI( ATR(3) ).
The difference is the periods input.
-CS
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
DIMITRIS
TSOKAKIS
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Thursday, April 17, 2003 5:01
AM
Subject: [amibroker] Re: AmiBroker
4.31.0 BETA Question
CS,something must be more clear:Do you speak for
a variable period for RSI(periods) or for the RSI of another
function?When we write RSI(12), we mean RSI calculated on Close,
periods=12.An example of variable period should be
likeper=10+cum(1)%10;W=RSI(per);It will not work, since built-in
RSI() does not accept variable period.The second case is to apply
the RSI transformation on another function, say Stochastics.This is
already included through the RSIA(Array,periods) function, but still for
a fixed period.It would be better to be more specific, which improvement
do you ask. DT--- In amibroker@xxxxxxxxxxxxxxx, "CS"
<csaxe@xxxx> wrote:> > Since converting some of my
systems to dynamic parameter input, my success (profits) has increased
dramatically.> Unfortunately, most people don't know the difference
between dynamic (variable) and static (constant) parameter
inputs.> Simplistic Hint: Static-
RSI(14); Dynamic- RSI( ATR(3) );> > I
have asked TJ to go back and re-work indicators and functions to accept
dynamic inputs, but he said that only three other people had asked for
the same thing, so it is low on his priority list. So, I have had to
resort to manually coding each indicator/function in script, and script
sucks. Error messages while debugging are so vague, that they are
useless.> The recent inclusion of native AFL looping and flow control
will help.> > There are some functions that accept dynamic
input such as HHV, LLV, Sum, Ref, AMA, AMA2, WMA, DEMA, TEMA and
MA.> > It would be nice if all new functions/indicators
created would accept dynamic inputs.> >
-CS> ----- Original Message ----- >
From: Fred > To: amibroker@xxxxxxxxxxxxxxx
> Sent: Wednesday, April 16, 2003 4:26
PM> Subject: [amibroker] Re: AmiBroker 4.31.0 BETA
Question> > > I believe LinRegSlope takes
as it's second argument a NON time > variant argument or
a constant NOT an array like for example AMA >
would. I don't know but I supect the code I put in my original
post > won't work any way or if it has a chance of
working I wouldn't know > how to modify it so it
does, maybe > > LRS = LinRegSlope(close[ i ],
HilbertPeriod[ i ]);Send BUG REPORTS to
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