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Harry
When using LowestSince() in the Explorer you must force it to scan at least
the required number of bars, and preferably more. ValueWhen() and
BarsSince() are other function that will not return expected values when
used with "minimum" bars.
And don't forget the many functions using any form of exponential smoothing
require at least 5 times more data than the longest "periods" used by the
offending functions.
To access a "Periods" value for ALL exploration columns I suggest you create
an indicator specifically for this purpose. You can set up any number of
variable values then use FmlVar() in your exploration columns to call the
required value. This could be used for dates as well as numbers. Just be
aware that there is a performances trade-off when the number of formula
calls begins to climb.
Roy
----- Original Message -----
From: "bex1210" <hmw3@xxxxxxxxxxxxxx>
To: <equismetastock@xxxxxxxxxxxxxxx>
Sent: Saturday, May 03, 2003 5:59 AM
Subject: [EquisMetaStock Group] Problem with LowestSince function
> I have Metastock 8.01, EOD version. I am trying to calculate the lowest
low since the highest high for use in an Explorer. But I am having real
problems.
>
> To visualize what is happening, I have created indicators to plot on
charts. If I create an indicator for the HighestHigh [hhv()] for a specific
period, it plots correctly. So does Lowest Low [llv()].
>
> But when I try to plot the lowest low since the highest high for a period
using [LowestSince(1,HHV(HIGH,40),LOW)], all I get is today's low. If I
change the Nth figure to 2, I get yesterday's low. Neither are the real low
since the last high; not anywhere close.
>
> Clearly I am doing something wrong. Can someone provide a little guidance?
>
> Thanks in advance,
>
> Harry
>
>
>
>
>
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>
>
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