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I am trying to do kriging using SDA4PP. I have added a delimitted text layer and wish to krige that. When I try I get an error message from SDA4PP as follows...

This tool requires at least one numeric field. Please add one numeric field to the layer. The layer “(the one I want to kringe)” is excluded from the analysis. Please add point typed vector layer.

Can anyone help?

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I am trying to get further information as a step from my last question on kriging - I don't think it duplicates that previous question which was about getting SDA4PP to be properly installed. This one is about actually using the plugin. –  Michael Mar 26 '12 at 23:00
    
Please try to chose clear titles that describe what the question really is about. It would also be nice of you to share how you managed to get SDA4PP working since there is no accepted answer to your previous question. –  underdark Mar 29 '12 at 8:32
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