How can I use lognormal distribution to fit the non-negative dataset with zero values?
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    Joy Tian
 el 19 de Feb. de 2015
  
    
    
    
    
    Comentada: Star Strider
      
      
 el 21 de Feb. de 2015
            The command I try to use is lognfit.
parmhat = lognfit(data)
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  Star Strider
      
      
 el 19 de Feb. de 2015
        The easiest way is to substitute the zero values with eps.
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  Image Analyst
      
      
 el 19 de Feb. de 2015
				Joy's "Flag" moved here to be a comment:
"advanced command which I never access to save for review and study Thanks"
  Star Strider
      
      
 el 21 de Feb. de 2015
				I doubt there are any other methods, other than to substitute NaN for the zero values.
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