file	a/loess
for	smoothing of multivariate scattered data
by	Cleveland and Grosse
ref	Statistics and Computation 1:1
prec	single
lang	Fortran77
#	The method is based on a moving least squares fit by a
#	quadratic, accelerated by k-d trees and blending functions.
#	(To get the older, univariate code, "send lowess from go".)

file	a/dloess
for	smoothing of multivariate scattered data
by	Cleveland and Grosse
ref	Statistics and Computation 1:1
prec	double
lang	Fortran77
#	The method is based on a moving least squares fit by a
#	quadratic, accelerated by k-d trees and blending functions.
#	(To get the older, univariate code, "send lowess from go".)

file	a/stl
for	decompose time series into trend + seasonal + remainder
by	Cleveland and Cleveland
lang	Fortran77

file	a/cdfcor.f
for	rational approximation to finite set of data
by	E. H. Kaufman, Jr. and G. D. Taylor
#	this package uses the differential correction algorithm to compute a
#	best uniform generalized rational approximation p/q to a function f
#	defined on a finite set of grid points, with the options of including
#	a weight function and linear equality and inequality constraints on
#	the coefficients.  see the initial comments in subroutine  cdfcor
#	for an extensive guide to using the package.  the sample driver
#	program at the beginning of the package and sample input data at the
#	end can be used to assist implementation as the corresponding output
#	will tell whether the code ran as expected.

file	a/difcor
for	rational approximation to finite set of data
by	E. H. KAUFMAN, JR. AND G. D. TAYLOR
lang	Fortran77
#	differential correction algorithm

file	a/sdifcor
for	rational approximation to finite set of data
by	E. H. KAUFMAN, JR. AND G. D. TAYLOR
lang	Fortran77
#	differential correction algorithm

file	a/sdifcor.doc
for	rational approximation to finite set of data
by	E. H. KAUFMAN, JR. AND G. D. TAYLOR
lang	Fortran77
#	differential correction algorithm

file	a/gaim
for	fitting generalized additive models,
by	T. Hastie and R. Tibshirani
ref	Stat. Sci 1,297 and JASA June 1987.
lang	Fortran77

file	a/fun.f
for	test functions for approximation algorithms

file	a/masa.f
for	approximation for scattered data in many variables
by	J. H. Friedman and E. H. Grosse and W. Stuetzle",
ref	SIAM J. Sci Stat Comp 4,291-301
#	a dusty old deck from Stanford, 1980

file	a/dbspvt.f
for	derivatives of B-splines with respect to knots
by	Eric Grosse, derived from de Boor's pppack/bsplvb
ref	Grosse and Hobby, Improved Rounding for Spline Coefficients...
prec	double

