You could try this and see what you get:

  unique(  yguii(ZEEL.NS, "o") - yguii(ZEEL.NS, "o")  )

or maybe

  table(  yguii(ZEEL.NS, "o") - yguii(ZEEL.NS, "o")  )

You showed two sets of output from the expression
   yguii(ZEEL.NS, "o")

Were they done one right after the other? Or could ZEEL.NS have changed in 
between?

The function could be using a variable that's only defined in the global 
environment (presumably by mistake, but it's an easy mistake to make), and its 
value changed in between function calls.

Reinstalling R would be a waste of time.

-Don

--
Don MacQueen
Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
925-423-1062
Lab cell 925-724-7509
 
 

On 12/15/17, 4:45 AM, "R-help on behalf of akshay kulkarni" 
<r-help-boun...@r-project.org on behalf of akshay...@hotmail.com> wrote:

    dear Members,
    
    
    
    Today something weird has happened on my R console. I have attached two 
screenshots of the same vector in my R console but they differ.
    
    
    Also one of my function returns negative values, even after double checking 
the code, which should return only positive values..
    
    
    Whats wrong..? Reinstall R?
    
    
    Thanks for help....
    
    
    AKSHAY M KULKARNI
    
    
    

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