gstat - variogram fit analysis question

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gstat - variogram fit analysis question

Joelle k. Akram

hello,


my fitted vgm using Gaussian model ('Gau') via 'fit.variogram' in gstat looks as follows:



Here are my questions:


1)-is Gaussian model an optimal choice

2)- my coordinates which I use for variogram fitting is in (lat, long), should I use UTM instead?

3)- does the general variogram look visually correct , i.e., nugget, sill, and range values?


thanks,

Joe


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