[R-sig-Geo] vgmST parameters

Mahsa Sameti mahsasameti1384 at gmail.com
Mon Sep 25 04:44:20 CEST 2017

Dear all

When working with vgmST function, how we choose starting values for space,
time anf joint vgm?
If we should choose them from sample stvariogram, why are they different in
different covariance models? I mean, initial values of space and time vgm in
separable model is different from sum-metric model. how we choose them?

Thanks alot.

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