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RE: st: How to test whether data follows Exp distribution?
From
"Nick Cox" <[email protected]>
To
<[email protected]>
Subject
RE: st: How to test whether data follows Exp distribution?
Date
Wed, 7 Jul 2010 19:46:34 +0100
We're talking distributions here, not relationships. But yes, a quantile plot would be linear.
Nick
[email protected]
reg jordan
I could also be wrong, but if Y is exponential, then wouldn't log(Y) be linear?
"Lachenbruch, Peter" <[email protected]>
>If I recall my basic math stat, log(Y) should be uniform if Y is exponential. So you could check it that way. A very simple idea would be to bin the logs and do a chi-squared gof test.
Maarten buis
>--- On Wed, 7/7/10, Jabr, Wael M wrote:
>> I am trying to find if the variable I
>> have follows an exponential distribution.
>
>You can use -hangroot- to check an empirical
>distribution against, among others, an
>exponential distribution. To install it type
>in Stata -ssc install hangroot-.
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