Re: residual counts

From: David P. Huenemoerder <dph_at_email.domain.hidden>
Date: Mon, 26 Apr 2004 13:21:20 -0400
    isis> r = m-d;               
    Saku> S-Lang Error: Type Mismatch: Struct_Type = Struct_Type is not possible

Hi Saku - 

You are close.  The "get_" functions return a structure.  What you
want is:

   r = d.value - m.value ; 

To see structure fields, "print" the structure:

isis> print( get_data_counts(1) );
    bin_lo = Double_Type[4096]
    bin_hi = Double_Type[4096]
    value = Double_Type[4096]
    err = Double_Type[4096]



--Dave



    Saku> Hi,

    Saku> I use 

    Saku> m = get_model_counts(1);

    Saku> and

    Saku> d = get_data_counts(1);


    Saku> What do I do to get the residuals?

    Saku> r= get_residual_counts(1)
    Saku> S-Lang Error: Undefined Name: get_residual_counts is undefined


    Saku> or
 
    isis> r = m-d;               
    Saku> S-Lang Error: Type Mismatch: Struct_Type = Struct_Type is not possible
    isis> 


    Saku> does not work.

    Saku> thanks,
    Saku> Saku

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-- 
Dave
David Huenemoerder (617-253-4283; fax: 253-8084)
MIT Center for Space Research/Chandra X-ray Center
70 Vassar St., NE80-6023,
Cambridge, MA  02139
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Received on Mon Apr 26 2004 - 13:30:58 EDT

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