User's guide to 
  npmle 
R functions for fast ML computation for mixture proportions, including 
nonparametric MLE of the distribution function for censored data 

Paper:  Improved EM for Mixture Proportions with Applications to 
        Nonparametric ML Estimation for Censored Data
          
Contact: Yaming Yu
         Department of Statistics, University of California
         Irvine, CA 92697-1250, USA
         yamingy@uci.edu

Step 1.  Save the source text files 
           http://www.ics.uci.edu/~yamingy/npmle.c
           http://www.ics.uci.edu/~yamingy/npmle.r

Step 2.  Compile the C source code
           R CMD SHLIB -o npmle.so npmle.c 

Step 3.  Run R and type 
           source('npmle.r') 

Usage.   See comments in the file 
           npmle.r