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  #1  
Old 01-20-2010, 08:30 PM
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Default How to build CDF in excel?

I have some data shown below, how could I build the cdf from them? Just excel functions, no VBA.

Scenario 1 0.2
Scenario 2 0.4
Scenario 3 0.2
Scenario 4 0.73
Scenario 5 0.1
.
.
.
.


Thank you very much!
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Old 01-20-2010, 09:29 PM
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You do a running total of the pdf.
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Old 01-20-2010, 09:36 PM
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See picture.
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Old 01-21-2010, 09:35 AM
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Quote:
Originally Posted by Buck View Post
See picture.
Thank you very much for the example, but could you please be more specific?

Thanks.
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Old 01-21-2010, 10:42 AM
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Quote:
Originally Posted by AAA View Post
Thank you very much for the example, but could you please be more specific?

Thanks.
Maybe you should make your question more specific. I thought the example was specific enough.
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Old 01-21-2010, 06:29 PM
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Quote:
Originally Posted by AAA View Post
Thank you very much for the example, but could you please be more specific?

Thanks.
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Old 01-22-2010, 12:04 AM
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Right, there is nothing complicated in the answer I gave you -- "percentile" is the CDF.

However, you should know that Excel "percentile" function gives you a "model-fitted" CDF. If you need the raw empirical CDF, you need to use < Tools - add took pack -- analysis took pack> to get the frequency histogram function.

If this sounds too much to you, just remember Excel "percentile" does a pretty good job giving you a fitted CDF. The best part -- it's simple and easy to do.
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Old 01-22-2010, 12:07 PM
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fit a curve?
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Old 01-22-2010, 02:50 PM
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I guess that's one alt I won't be able to create
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