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Need help on modify previous bar's value

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Need help on modify previous bar's value

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  #1 (permalink)
Toronto Canada
Experience: Intermediate
Platform: thinkorswim, NT
Trading: Emini ES NQ
Posts: 5 since Nov 2014
Thanks: 9 given, 0 received

Question about how to modify previous barís value.

Program is for identify engulfing bar.

Def IsEngulfing;
If (high>high[1] and low >low[1] ) or (high<high[1] and low<low[1]) then IsEngulfing=0 else IsEngulfing =1;

But there is two kind of engulfing cases
Case one: Current bar is smaller then previous bar ( For example: high[1]=11 , low[1] = 9, high= 10 low =9.5) above program can handle this case.

Case two: Current bar is larger then previous bar ( For example: high[1]=10, low[1]=9.5 , high=11, low =9)
For this case I need change IsEngulfing[1] from 0 to 1 , But the I got error message.
Is there any way can do this kind of change. Thanks.

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Last Updated on May 29, 2017

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