CRAN . R-PROJECT . ORG {}

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We are analyzing https://cran.r-project.org/web/packages/interp/index.html.

Title:
CRAN: Package interp
Description:
Bivariate data interpolation on regular and irregular grids, either linear or using splines are the main part of this package. It is intended to provide FOSS replacement functions for the ACM licensed akima::interp and tripack::tri.mesh functions. Linear interpolation is implemented in interp::interp(..., method="linear"), this corresponds to the call akima::interp(..., linear=TRUE) which is the default setting and covers most of akima::interp use cases in depending packages. A re-implementation of Akimas irregular grid spline interpolation (akima::interp(..., linear=FALSE)) is now also available via interp::interp(..., method="akima"). Estimators for partial derivatives are now also available in interp::locpoly(), these are a prerequisite for the spline interpolation. The basic part is a GPLed triangulation algorithm (sweep hull algorithm by David Sinclair) providing the starting point for the irregular grid interpolator. As side effect this algorithm is also used to provide replacements for almost all functions of the tripack package which also suffers from the same ACM license restrictions. All functions are designed to be backward compatible with their akima / tripack counterparts.
Website Age:
25 years and 8 months (reg. 1999-10-27).

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Custom-built

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💥 Very Strong Traffic: 200k - 500k visitors per month

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How Does Cran.r-project.org Make Money? {💸}

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Keywords {🔍}

interpolation, irregular, functions, akimainterp, interptgz, reverse, interp, package, algorithm, aut, gpl, interpzip, rrelease, roldrel, data, linear, part, provide, acm, interpinterp, grid, spline, partial, derivatives, triangulation, david, sinclair, tripack, license, depends, imports, rcpp, rcppeigen, suggests, author, albrecht, gebhardt, cph, binaries, arm, methods, bivariate, regular, grids, splines, main, intended, foss, replacement, licensed,

Topics {✒️}

irregular grid interpolator roger bivand [aut] gz windows binaries canonical form https gpled triangulation algorithm vprr reverse suggests sweep hull algorithm albrecht gebhardt [aut acm license restrictions david sinclair [aut contourplot reverse imports acm licensed akima spatial cran checks zip macos binaries interp results documentation spline interpolation org/package=interp partial derivatives irregular grids linear interpolation david sinclair provide replacements rcppeigen suggests reverse depends main part mesh functions default setting depending packages basic part starting point side effect backward compatible deldir linkingto mass enhances rcppeigen published shull library reference manual pdf vignettes variables applied r-devel r-release r-oldrel vegdata linking r-project call akima tripack package package source linear=true linear=false gpl-3 [expanded

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