clean variables.

  1. H

    Clean data help - remove rows

    Hi! I'm trying to clean a dataset and only retain families with at least parent at home. I started going through it manually but it took 7-8 hours to do 3,000 entries and I have 30,000 entries left to do! There must be an easier way so I figured I'd add the criteria here and maybe someone...
  2. N

    Is usefull varname=Nothing?

    I have seen in some sample: VarName=Nothing. at the end of the procedure. I now this clear memory space, but I don't see this in my program and I don't use it. Is this usefull? Can I to read something about this item. Thank for your response.

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