akima v0.6-2

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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.

Functions in akima

Name Description
interp Gridded Bivariate Interpolation for Irregular Data
bilinear.grid Bilinear Interpolation for Data on a Rectangular grid
interp.old Gridded Bivariate Interpolation for Irregular Data
bicubic Bivariate Interpolation for Data on a Rectangular grid
bilinear Bilinear Interpolation for Data on a Rectangular grid
franke.data Test datasets from Franke for interpolation of scattered data
aspline Univariate Akima interpolation
bicubic.grid Bicubic Interpolation for Data on a Rectangular grid
interp2xyz From interp() Result, Produce 3-column Matrix
interpp.old Pointwise Bivariate Interpolation for Irregular Data
interpp Pointwise Bivariate Interpolation for Irregular Data
akima760 Sample data from Akima's Bicubic Spline Interpolation code (TOMS 760)
akima Waveform Distortion Data for Bivariate Interpolation
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Details

Date 2016-12-16
License ACM | file LICENSE
NeedsCompilation yes
Packaged 2016-12-20 00:14:46 UTC; alge
License_restricts_use yes
Repository CRAN
Date/Publication 2016-12-20 01:40:25

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