search for: gaustadall

Displaying 5 results from an estimated 5 matches for "gaustadall".

2007 Oct 30
2
calculate spatial distance
...nt to calculate the spatial (or geographic) distance among all locations. I did not find such a function in the spatial-related packages. (I *cannot* use 'dist', as I have geographic, not cartesian coordinates). thanks! Robert Robert Ptacnik Norwegian Institute for Water Research (NIVA) Gaustadall?en 21 NO-0349 Oslo mobile +47 982 277 81 FON NIVA +47 22 18 51 00 FAX +47 22 18 52 00 ---------------------------------------------------------------------------------------------------------------------- NIVAs hovedkontor har flyttet til nye lokaler i CIENS - Forskningssenter for milj? og samf...
2008 Jul 04
1
kriging problem(?)
...id. However, I wonder if there aren't more elegant ways, e.g. using kriging. Just to avoid misunderstandings: I do not just want to get a spatial grid of Sa and Sb, but I want to find on which Scale Sb affects Sa. cheers, Robert, Robert Ptacnik Norwegian Institute for Water Research (NIVA) Gaustadall?en 21 NO-0349 Oslo FON +47 982 277 81 FAX +47 221 852 00 ---------------------------------------------------------------------------------------------------------------------- NIVAs hovedkontor har flyttet til nye lokaler i CIENS - Forskningssenter for milj? og samfunn; Gaustadall?en 21, 0349...
2007 Feb 07
1
heteroscedasticity problem
...of each community; productivity and its predictability both increase with increasing species richness). Apologies for the probably clumsy decription of my problem - I am ecologist, not statistician (but a big fan of R). Cheers, Robert Robert Ptacnik Norwegian Institute for Water Research (NIVA) Gaustadall?en 21 NO-0349 Oslo FON +47 982 277 81 FAX +47 221 852 00
2007 Nov 29
1
relative importance of predictors
...#39; here? (which takes 'lm', not 'rlm' objects). Thanks, Robert ---------------------------------------------------------------------------------------------------------------------- NIVAs hovedkontor har flyttet til nye lokaler i CIENS - Forskningssenter for milj? og samfunn; Gaustadall?en 21, 0349 Oslo. Meld deg p? v?rt nyhetsbrev p? www.niva.no
2007 Nov 28
2
fit linear regression with multiple predictor and constrained intercept
...ctor), I get estimates both for slope and intercept of each factor level. Robert ---------------------------------------------------------------------------------------------------------------------- NIVAs hovedkontor har flyttet til nye lokaler i CIENS - Forskningssenter for milj? og samfunn; Gaustadall?en 21, 0349 Oslo. Meld deg p? v?rt nyhetsbrev p? www.niva.no