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    Re: Bias and cocked hats
    From: Dave Walden
    Date: 2007 Apr 18, 17:48 -0700

    
    >
    > Thank you for all the work.  Where do the cocked hats lie?
    >
    Thanks to all for the thought provoking and leading questions!
    
    For the Monte-Carlo simulation, the cocked hats lie in 100,000 places
    and are 100,000 different sizes.
    
    Each bias case is based on 100,000 runs.  The constant bias is added
    to each of the three different random errors.  This moves all three
    LOP toward or away from the center of the cocked hat by the same
    amount.  It changes the size of the cocked hat, but not its center.
    If the bias is large and sd is small, the lines can move "across" the
    center.
    
    
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