I'm having a problem when using the tool Calculate Field in Model Builder: My calculation formula is [pop_per_pixel] = [POP_2010] / [RES_PIX] * [proportion]. Since some of the features have [RES_PIX]=0, the model stops and indicates an error. I tried to select only those features that aren't equal to zero, but the tool 'Select Layer By Attribute' could not be integrated in the model chain. Is there a VB code I can put in the Code Block window? What would be the Python code for that? How else would you overcome this issue? Thanks!
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