Uncategories Re: [amibroker] nested FOR loop question

Re: [amibroker] nested FOR loop question

Coolman 10.13
 

Hi Karl --

Here is a link to the AmiBroker Reference for the For statement:
https://www.amibroker.com/guide/keyword/for.html

For loops can be nested.  Be careful to avoid confusion between the index variables controlling each loop.  But you can refer to the value of the index of the outer loop when setting the range of the inner loop, which seems to be what you are asking.

for( i = 1; i < BarCount; i++ )
{
    for( j = i; j < myCount; j++ )

    {
        //  your comparison
    }

}

Best,
Howard

On Fri, Apr 1, 2016 at 9:12 PM, karl.bergerson@gmail.com [amibroker] <amibroker@yahoogroups.com> wrote:
 

Can I use a nested FOR loop or .. to perform
an operation such as HHV on a subset of records
from a larger set of records where the subset is
chosen based on meeting a certain condition?

EXAMPLE:
I want to do the HHV of column 3 on 4 records
within the last 7 records where column 4 value
is 1.  Column 2 is a flag for me.  The number
of records to consider (4) is set by user.

I need the loop to keep reading and calculating
the values until 4 records have been found that
meet the condition and then perform the operation
such as HHV.

I seem unable to figure out how to write this code.
Any help would be Much appreciated!!

col 1 col 2 col 3   col 4

date1 close1 value1 1
date2 close2 value2 0
date3 close3 value3 0
date4 close4 value4 1
date5 close5 value5 1
date6 close6 value6 0
date7 close7 value  1

I want the HHV of records from date1, date4,
date5 and date7.




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Posted by: Howard B <howardbandy@gmail.com>
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