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Is better to use the IDW tool or the kriging and why?

Question asked by giac85 on Oct 22, 2012
Latest reply on Oct 22, 2012 by mcollins999
I am an Italian student of GIS and for my thesis I have to study many points that must be interpolated. When do you think is better to use the inverse distance weighted and when the kriging and why?
Can you answer as soon as possible, please, that I have to tell it to my professor tomorrow, please!
Thank you