Dear lest members:

After spatial model specification, estimation, and testing specification,
the predictive ability of estimated model should be tested. prediction is
of interest of practitioners. At this point I have estimated a
Spatial Auto-regressive model. My question is after dividing the data to
training set and testing set, how can I apply estimated
model(Using training data set ) to the testing data set which I have the
location and all explanatory variables. So by comparing predicted value to
observed, the predictive ability of model can be estimated. Or is there any
tool to define Cross Validation of estimated model (I believe writing a
loop to exclude a point and estimate the model and then predict the value
for that point and compare to the observed value takes so much time and is
not possible).
I like to know your opinion about this issue and appreciate your help
regarding this issue.

Thanks
Roosbeh Nowrouzian
PhD student
Department of Civil and Coastal Engineering
University of Florida

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