no subj dose(mouse) dose(human) no. wi tumor prop pi log likelihood  
50 0 0 0 0 0    
50 25 3.5714 4 0.08 0.1355 -14.693196  
50 50 7.1429 20 0.4 0.3666 -33.768935  
50 100 14.286 37 0.74 0.7254 -28.67979  
          Sum -77.141922  
    q = 0.1794        
               
TWO HIT MODEL              
  Formulas            
  dose(human) = dose(mouse)/7            
  Fi= pi=1-(1+q*dose)Exp(-q*dose) = 1-(1+$D$7*Ci)Exp(-$D$7*Ci)            
  log likelihood = Di*LN(Fi)+(50-Di)*LN(1-Fi)            
  G6 = Sum(G3:G5)            
  seed q = .001            
  Use Solver to maximize G6 by changing D7            

Last Updated on 11/13/01
By Martha Smith