akima
Interpolation of Irregularly and Regularly Spaced Data
Several cubic spline interpolation methods of H. Akima for irregular and regular gridded data are available through this package, both for the bivariate case (irregular data: ACM 761, regular data: ACM 760) and univariate case (ACM 433 and ACM 697). Linear interpolation of irregular gridded data is also covered by reusing D. J. Renkas triangulation code which is part of Akimas Fortran code. A bilinear interpolator for regular grids was also added for comparison with the bicubic interpolator on regular grids. Please note that most of the functions are now also covered in package interp, which is a re-implementation from scratch under a free license.
- Version0.6-3.6
- R versionR (≥ 2.0.0)
- LicenseLICENSE
- Needs compilation?Yes
- Last release06/02/2025
Documentation
Team
Albrecht Gebhardt
MaintainerShow author detailsMartin Maechler
Show author detailsRolesContributor, Copyright holderHiroshi Akima
Show author detailsRolesAuthor, Copyright holderThomas Petzold
Show author detailsRolesContributor, Copyright holderYYYY Association for Computing Machinery, Inc.
Show author detailsRolesCopyright holder
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Dependencies
- Imports1 package
- Enhances1 package
- Reverse Suggests2 packages