I generated interpolation from a series of points by using Kriging method in Geostatistical Analyst Tools (in figure 1 of my attached file).
There was no negative value in my data, but after i converted to Raster, there are some negative value (Figure 2).
Also, I created interpolation from Spatial Analyst tools (Kriging) but there was no value starting from 0 while I have data starting from 0. I do not understand. Is there anyone can explain or help me to solve this problem?
Thanks in advance.