|
lm(y ~ poly(x))
lm(y ~ ns(x))
smooth.splines(x, y)
http://stat.ethz.ch/R-manual/R-patched/library/stats/html/smooth.spline.html
lowess(x, y)
(and a newer / preferred methodksmooth(x, y)
spusmu(x, y)
LOESS (Local Regression Smoothing)
http://research.stowers-institute.org/efg/R/Statistics/loess.htm
http://stat.ethz.ch/R-manual/R-devel/library/stats/html/scatter.smooth.htmlRegime Switching
library(tsDyn)
http://cran.r-project.org/web/packages/tsDyn/index.html
Exponential Smoothing
http://maths-people.anu.edu.au/~johnm/courses/r/ASC2008/pdf/Rtimeseries-ohp.pdf
http://cran.r-project.org/web/packages/forecast/forecast.pdf
Penalized Smoothing Splines
http://cran.r-project.org/web/packages/pspline/pspline.pdf
Time Series
http://www.inside-r.org/packages/cran/timeSeries/docs/smooth
Matlab Toolbox
http://www.mathworks.com/discovery/smoothing.html
http://stackoverflow.com/questions/12987905/how-to-make-a-curve-smoothing-in-matlab
http://www.mathworks.com.au/help/curvefit/smoothing-data.html