I have my data in a shapefile and I want to classify my t values into two classes using GIS: first class is t value < - 1.96, and the second class is t value > 1.96.. I'm having some difficulty doing that.. Appreciate your input
In a table?
If so, presumably you have a field with the score values. The quickest way would be to add a new field ... maybe a text field... then query the score field for values greater than 1.96. In your new field, do a field calculation (python parser... !YourNewField! = "> 1.96") Clear the query and search for values < 1.96, repeat using "< -1.96".
You could write a function to do this, but the double query and calculate would take as much time
Yes, but should I just report them the way they are? because there is no way for the reader to zoom in and out?
Thanks a lot
Zoom in.. they are there mostly in the central core, but the sizes of the areas are small and the mind will blend the colors if you just observe quickly. Don't expect things at the same spatial scale to reflect any patterns that you observe in a numeric pattern.
A tabular view and a spatial view of the same data set can be remarkably different in the information that is portrayed.
Hi Dan
Please see the attachment. Do you I did it right? Blue color for Black t value on the left is not visible..
Thanks
Hi dan..Thanks a lot for your input...I will give it a try and let you know..
Appreciated
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