[EquisMetaStock Group] Creating 50 EMA Above/Below Ratio

[Paolo <italoarg76@xxxxxxxx>]

bellamy_29m
            I think your suggestion is NOT a good idea.
If you do Ratio:=DaysAbove/Max(DaysBelow,1) and DaysBelow is "0" then
DaysAbove will be the result (no error) but it's not right!!!!!!!
The error shows the ratio is "infinity" and that is the true!!!!!
Zero division errors are not errors in the code.
Sometimes we MUST accept divisions are not possible :)
Regards,
          Pablo

b> There are a couple of small errors in your code:
b> --8<----------
b> lookback:=100;
b> EMA:=Mov(C,50,E);
DaysAbove:=Sum(If(C>>EMA,1,0),lookback);
DaysBelow:=Sum(If(C>>EMA,1,0),lookback);
b> {These are the same value!}

b> Ratio:=DaysAbove/DaysBelow;
b> {prone to divide by zero errors}

b> Ratio;
b> --8<----------


b> As and alternative, try:

b> --8<----------
b> lookback:=10;   { should to be 100 }
b> EMA:=Mov(C,50,E);
DaysAbove:=Sum(C>>EMA,lookback);
b> DaysBelow:=Sum(C<EMA,lookback);
b> Ratio:=DaysAbove/Max(DaysBelow,1);
b> Ratio;
b> --8<----------


b> Cheers







 
b> Yahoo! Groups Links







Pablo Bozzolo

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