Dear sir,
In the four parameter logistic model used in MEDME algorithm,
M = f mCpGwbini,
(a,b,c,d) + Ɛ
                

                                       
                    

                                       
              

                                       
              

     
    =  b +       c - b              + Ɛ
                     1 +
expa∗(log mCpGwbini - logd) 

What do the symbol "Ɛ" and parameters a,b,c,d signify?Could you kindly explain this formula?also,the reason for using the exponential form in the denominator instead of natural logarithm?

Thanking you in anticipation,
Susan
Student,Masters in Molecular Biology and Human Genetics,
Manipal Life Sciences Center,
Manipal,India


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