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The NCF package contains a set of function for spatial correlation and cross-correlation. It includes the nonparametric covariance and cross-covariance functions, the spline correlogram, the mantel test and related.
The NLTS (previously nlt) library contains a set of functions for (non)linear time series analysis. The emphasis is on order estimation through cross-validation.
Both packages are as of 2009 served directly from CRAN
To install the ncf or nlt package from within R use the 'install package' menu or paste at the prompt:
last updated March 12, 2009