Please help: How can I refer to past conditions NOT by period

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  • 05/25/2021 at 9:01 AM #170312 quote
    fiboman3000
    Participant
    Junior

    Hello,

    how can I refer to a past condition NOT by period with square brackets […] BUT by last time, 2nd last, 3rd last time and so on?

    Meaning and I dont care when exactly the condition was true, I just want to get values from it.

    Please help forum brains

    Thx & cheers

    05/25/2021 at 9:40 AM #170323 quote
    robertogozzi
    Moderator
    Master

    You need to use a FOR…NEXT iteration.

    You simply set the number of the occurrence you want to retrieve and it will be returned in variable EventBar (0=no occurrences):

    N        = 3       //3rd occurrence
Avg      = close CROSSES OVER average[20,0](close) //event to be searched for
EventBar = 0
Count    = 0
FOR i = 0 TO BarIndex - 1
   IF Avg[i] THEN
      EventBar = BarIndex[i]
      Count    = Count + 1
      IF Count = N THEN
         Break
      ENDIF
   ENDIF
NEXT
    05/25/2021 at 2:07 PM #170383 quote
    Vonasi
    Moderator
    Master

    Alternatively use an array to store the value and increase the array location by +1 each time you store a value.

    Not tested.

    if (your event) then
a = a + 1
$myvalue[a] = close //store closing price at time of your event
endif

//retrieve 2nd to last event
if a >=2 then
secondlast = $myvalue[a-1]
endif

//retrieve 5th to last event
if a >=5 then
secondlast = $myvalue[a-4]
endif
    robertogozzi thanked this post
    05/25/2021 at 3:03 PM #170387 quote
    robertogozzi
    Moderator
    Master

    Vonasi‘s solution is much better because you don’t waste time to scan bars backwards, which can be very time consuming if you want retrieve, say, the 100th event!

    Vonasi thanked this post
    05/26/2021 at 8:46 AM #170442 quote
    fiboman3000
    Participant
    Junior

    Thanks a lot guys!:) much appreciated…

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Please help: How can I refer to past conditions NOT by period


ProBuilder: Indicators & Custom Tools

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fiboman3000 @fiboman3000 Participant
Summary

This topic contains 4 replies,
has 3 voices, and was last updated by fiboman3000
4 years, 8 months ago.

Topic Details
Forum: ProBuilder: Indicators & Custom Tools
Language: English
Started: 05/25/2021
Status: Active
Attachments: No files
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