Does S-Plus contain a package for non-linear time-series (e.g. a package to study chaotic behavior)? Specifically, can one obtain Lyapunov exponents, plot the phase-space as well as any potential at
Greetings all, Are there functions in S-plus (or R) that handle complex sampling designs such as multi-stage sampling? Are there also ways to have statistical analyses (e.g. regression) handle comple