[R-sig-Geo] creating xts object

Mahsa Sameti mahsasameti1384 at gmail.com
Mon Oct 16 17:59:32 CEST 2017

Dear all

I’m working with monthly spatio-temporal data. I have a question about
creating spatio-temporal object.

When I wanted to create time series, I used as.yearmon function. After that
when i create purely spatial variogram from empirical spatio-temporal
variogram (spEmpVgm <- empVgm[empVgm$timelag == 0,]) , it shows only
January in time lag==0. Is it true or not?

Should I change the method of creating xts object?

Thanks alot

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