See the Ref function:
http://www.amibroker.com/guide/afl/afl_view.php?name=ref
Note that it is better to store the result of a function call and reuse
it, rather than repeatedly executing the same function call over and
over again. Try something like:
RSI14 = RSI(14);
Filter = RSI14 > 30 AND RSI14 > Ref(RSI14, -1);
Mike
--- In amibroker@xxxxxxxxxps.com,
"larssa11" <larssa11@xx.> wrote:
>
> Hi,
>
> I'm quite new to using Amibroker and trying to learn by typing
some formulas.
>
> One thing I can't get to work as I want is to filter that a
certain value should be higher than a certain value and also higher
then yesterday.
>
> For instance:
> Filter that RSI (14) is higher then 30 and also higher then the
day before.
> I guess this is very simple but I just can't get it to work.
>
> The objective of the formula is to filter out that the RSI value
is pointing upward.
>
> I've tried the following:
>
> Try 1: Filter = RSI(14) > 30 AND RSI(14) > HHV(RSI(14),1);
> Try 2: Filter = RSI(14) > 30 AND RSI(14) > (RSI(14),1);
>
> But that doesn't work..
>
> Is there anyone who can have a quick look and tell me what's wrong
?
>
> Thanks, Lars
>