search for: asplines

Displaying 4 results from an estimated 4 matches for "asplines".

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2009 Jan 08
2
interpolation to abscissa
...on the web site; I couldn't find anything on interpolation. So I started r and accessed the help (help.start()). (by the way is it possible to configure r to open help in opera instead of firefox?) Initially I read the help for the akima package but couldn't understand it. Next I tried the asplines package help. I tried to copy the example: x<-c(-3,-2,... I realised that the 'n=...' parameter determines the resolution of the line, so I practised the following subsequent commands: > x<-c(-3,-2,-1,0,1,2,2.5,3) > y<-c(0,0,0,0,-1,-1,0,2) > plot(x,y,ylim=c(-3,3)) I ge...
2010 Nov 03
3
R package BibTex entries: looking for a more general solution
== Summary == * Problem: BibTeX entries extracted from R packages via citation() require too much manual editing to be of general use. * Proposal: Date: fields should be made mandatory in package DESCRIPTION files, perhaps beginning with warnings from R CMD check * Proposal: Package authors should be encouraged to use a (new) Contributors: field in the DESCRIPTION file rather than packing all
2016 Apr 27
1
AKIMA or translating to FORTRAN a R function calling a FORTRAN routine
Hi, I am hired to translate into FORTRAN R functions. It works great and my customer is happy. I am going to translate a function that call aspline in the library AKIMA. This function call 2 FORTRAN routines that must be include (I guess) in the package AKIMA. And I have some questions. Is the fortran code really included in the R package AKIMA ? In other word, do I have a mean to call these 2
2006 Jan 25
0
Interpolating spline problems and akima
Hi everyone I was using spline to interpolate single or two consecutive missing data points in time series. However, when it comes to longer gaps in the data the spline function generate new data for both my known and unknown data (see below). Aside from not understanding why this happens, I thought thought I might try function "aspline" in library (akima). However, I cannot install or