climatology;
generalized linear models, Tweedie models
Description:
January snowfall in inches recorded at Seattle from 1906 to 1960.
There are 55 observations.
Variables:
Data Quality:
There are no missing values.
Source:
Seigel, Andrew F. (1979).
`The noncentral chi-squared distribution with zero degrees of
freedom and testing for uniformity'
in
Biometrika,
66, 381--386.
Notes:
For this data,
Seigel uses a non-central chi-squares distribution with zero degrees of freedom.
The equivalent Tweedie model uses a mle estimate of p of about 1.52,
where the distribution used by Seigel is equivalent to p= 1.5.