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Science Forum Index » Statistics - Education Forum » Poisson distribution in SPSS
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| summer |
 Posted: Mon Jan 29, 2007 5:11 pm |
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| How do I use SPSS to calculate a Poisson distribution? |
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| mcap |
| Posted: Mon Jan 29, 2007 8:20 pm |
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On Jan 29, 4:11 pm, "summer" <minnow2...@hotmail.co.uk> wrote:
Quote: How do I use SPSS to calculate a Poisson distribution?
I think you will need the SPSS advanced models option. Not sure.
Marc |
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| Bruce Weaver |
| Posted: Mon Jan 29, 2007 10:19 pm |
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summer wrote:
Quote: How do I use SPSS to calculate a Poisson distribution?
There's an SPSS group (comp.soft-sys.stat.spss) which is more
appropriate for questions like this.
I'm not completely sure what you want to do, but suspect that you need
either the RV.POISSON or the CDF.POISSON function. See below for
details. Both are available via Transform-->Compute in the pull-down menus.
RV.POISSON(mean) Numeric. Returns a random value from a Poisson
distribution with the specified mean or rate parameter.
CDF.POISSON(quant, mean) Numeric. Returns the cumulative probability
that a value from the Poisson distribution, with the specified mean or
rate parameter, will be less than quant.
--
Bruce Weaver
bweaver@lakeheadu.ca
www.angelfire.com/wv/bwhomedir |
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