 Usage:  lorenz(y)  

 

 Input:



  y (must be positive)   n x 1 vector of original data or 

                         n x 2 matrix of classified data: 

                         first column = class means 

                         second column = frequencies. 

                         

 Output:



  Gini                   number in [0,1], Gini coefficient 

                         

  Herfindahl             number in [0,1], Herfindahl measure of concentration 

                         

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(C) MD*TECH Method and Data Technologies, 21.9.2000

