Re: [R-sig-Geo] Univeral kriging

2009-10-28 Thread TANKISO THEJANE
.   Kabeli --- On Mon, 10/26/09, Edzer Pebesma wrote: From: Edzer Pebesma Subject: Re: [R-sig-Geo] Univeral kriging To: "TANKISO THEJANE" Cc: R-sig-Geo@stat.math.ethz.ch Date: Monday, October 26, 2009, 1:34 PM Tankiso, Here is some tips: - make your code such that cut and paste works f

Re: [R-sig-Geo] Univeral kriging

2009-10-26 Thread TANKISO THEJANE
R geo-helpers   i am new to r and would like you to help me as i am trying to go through basic steps. I need to compute a predicted value at point (3,3) and its variance given la set of locations and value. i want to make the code generic for any size such that i would be able to estimate univer

[R-sig-Geo] help on Initializing the matern at point zero

2009-08-27 Thread TANKISO THEJANE
R users Let me refine my request for help. I have a matern as per the code below. What i want to do is to initialize the matern at point/distance zero to be equal to 1.1 not 1.0 as is at present. I would appreciate your help very much.   library(geoR) curve(matern(x, phi= 1.0, kappa = 1.0),from

[R-sig-Geo] Fw: Re: Matern

2009-08-26 Thread TANKISO THEJANE
Dear R users   Greetings from a novice. I would be grateful if you can help me complete the plot of a matern correlation function Matern Correlation function with   kappa =1,1.5,2,2.5,3 , phi = 1  The problem is that i can manage to get the result when t> 0 using the following code:  

Re: [R-sig-Geo] Matern

2009-08-25 Thread TANKISO THEJANE
Dear R users   Greetings from a novice. I would be grateful if you can help me complete the plot of a matern correlation function Matern Correlation function with   kappa =1,1.5,2,2.5,3 , phi = 1  The problem is that i can manage to get the result when t> 0 using the following code:   curve(ma