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npatel3
Joined: 26 Jul 2010
Posts: 1
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 Posted: Mon Jul 26, 2010 1:35 pm Post subject: Categorizing continuous data |
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When categorizing continuous data (such as birth year), the categories HAVE to be mutually exclusive. Is there any statistical merit in overlapping categories shown below to reduce ‘noise’ in data? I haven’t been able to find anything in the literature.
1958: 1956 to 1960
1959: 1957 to 1961
1960: 1958 to 1962
Nita |
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alethephant
Joined: 06 Sep 2006
Posts: 200
Location: Virginia Beach
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| Posted: Mon Jul 26, 2010 7:00 pm Post subject: Categorizing continuous data |
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This appears to be simple smoothing.
Whether there is merit in it or not depends upon how important the information is that's lost, what you are trying to do, and why you are doing it.
The general procedure is "windowing", and doesn't have to be categorization. |
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