GCHART Procedure

References

Nelder, J. A. “A Simple Algorithm for Scaling Graphs.” 1976. Journal for the Royal Statistical Society, Series C (Applied Statistics) 25 (1): 94–96.
Terrell, G. R., and D. W. Scott. “Oversmoothed Nonparametric Density Estimates.” 1985. Journal of the American Statistical Association 80 (389): 209–214.