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Harrell Miscellaneous
Contains many functions useful for data analysis, high-level graphics, utility operations, functions for computing sample size and power, simulation, importing and annotating datasets, imputing missing values, advanced table making, variable clustering, character string manipulation, conversion of R objects to LaTeX and html code, recoding variables, caching, simplified parallel computing, encrypting and decrypting data using a safe workflow, general moving window statistical estimation, and assistance in interpreting principal component analysis.
Spherical Trigonometry
Spherical trigonometry for geographic applications. That is, compute distances and related measures for angular (longitude/latitude) locations.
Display and Analyze ROC Curves
Tools for visualizing, smoothing and comparing receiver operating characteristic (ROC curves). (Partial) area under the curve (AUC) can be compared with statistical tests based on U-statistics or bootstrap. Confidence intervals can be computed for (p)AUC or ROC curves.
Routines for Logspline Density Estimation
Contains routines for logspline density estimation.
The function oldlogspline() uses the same algorithm as the logspline package
version 1.0.x; i.e. the Kooperberg and Stone (1992)
algorithm (with an improved interface). The recommended routine logspline()
uses an algorithm from Stone et al (1997)
Geographic Data Analysis and Modeling
Reading, writing, manipulating, analyzing and modeling of spatial data. This package has been superseded by the "terra" package < https://CRAN.R-project.org/package=terra>.
Polynomial Spline Routines
Routines for the polynomial spline fitting routines hazard regression, hazard estimation with flexible tails, logspline, lspec, polyclass, and polymars, by C. Kooperberg and co-authors.
Trust Region Optimization
Does local optimization using two derivatives and trust regions. Guaranteed to converge to local minimum of objective function.
Export Tables to LaTeX or HTML
Coerce data to LaTeX and HTML tables.
Color Palettes for EPL, MLB, NBA, NHL, and NFL Teams
Color palettes for EPL, MLB, NBA, NHL, and NFL teams.
Fast, Dependency-Free Geodesic Distance Calculations
Dependency-free, ultra fast calculation of geodesic
distances. Includes the reference nanometre-accuracy geodesic
distances of Karney (2013)