R Graphical Manual

Last data update: 2014.03.03

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Results 1 - 6 of 6 found.
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aspline (Package: akima) : Univariate Akima interpolation

The function returns a list of points which smoothly interpolate given data points, similar to a curve drawn by hand.

● Data Source: CranContrib
● Keywords: arith, dplot
● Alias: aspline
● 0 images

bicubic (Package: akima) :

The description in the Fortran code says:

● Data Source: CranContrib
● Keywords: dplot
● Alias: bicubic
● 0 images

interpp (Package: akima) :

If ncp is zero, linear interpolation is used in the triangles bounded by data points. Cubic interpolation is done if partial derivatives are used. If extrap is FALSE, z-values for points outside the convex hull are returned as NA. No extrapolation can be performed if ncp is zero.

● Data Source: CranContrib
● Keywords: dplot
● Alias: interpp, interpp.new, interpp.old
● 0 images

interp2xyz (Package: akima) : From interp() Result, Produce 3-column Matrix

From an interp() result, produce a 3-column matrix or data.frame cbind(x, y, z).

● Data Source: CranContrib
● Keywords: manip
● Alias: interp2xyz
● 0 images

bicubic.grid (Package: akima) :

The description in the Fortran code says:

● Data Source: CranContrib
● Keywords: dplot
● Alias: bicubic.grid
● 0 images

interp (Package: akima) : Gridded Bivariate Interpolation for Irregular Data

These functions implement bivariate interpolation onto a grid for irregularly spaced input data. Bilinear or bicubic spline interpolation is applied using different versions of algorithms from Akima.

● Data Source: CranContrib
● Keywords: dplot
● Alias: interp, interp.new, interp.old
● 0 images