

 
Good Morning

Today I make a geostatistics course, so I'm using R 2.10.1 and I am writing to ask the please of the mathematical formulas of the 19 models of covariogram variogram programmed in the gstat package.
 
   short                                      long
1    Nug                              Nug (nugget)
2    Exp                         Exp (exponential)
3    Sph                           Sph (spherical)
4    Gau                            Gau (gaussian)
5    Exc               Exclass (Exponential class)
6    Mat                              Mat (Matern)
7    Ste Mat (Matern, M. Stein's parameterization)
8    Cir                            Cir (circular)
9    Lin                              Lin (linear)
10   Bes                              Bes (bessel)
11   Pen                      Pen (pentaspherical)
12   Per                            Per (periodic)
13   Hol                                Hol (hole)
14   Log                         Log (logarithmic)
15   Pow                               Pow (power)
16   Spl                              Spl (spline)
17   Leg                            Leg (Legendre)
18   Err                   Err (Measurement error)
19   Int                           Int (Intercept)
 
Awaiting your prompt response.
 
Sidney Bernal
sidney86_115@hotmail.com

 
 
Sidney Bernal

 		 	   		  
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