How do I...?

How do I create a project and enter data  directly to PIM?
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How could I create an Excel data and read  it in PIM?
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How do I create a new DEA model using by  changing properties of the current model?
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How do I set model properties to create a  DEA model and see the results?
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How do I add/edit/remove a DMU within PIM? 
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How do I add/edit/remove a period within  PIM?
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How do I add/edit/remove a variable within  PIM?
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How do I add a new variable from the  current variables using a formula within PIM?
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