Statistics 9055
Assignment 3
Due March 10, 2013
1. For an I J K contingency table the full (saturated) log-linear model is given by
ln( ijk ) ln( n ijk ) i j k ( )ij ( )ik ( ) jk ( )ijk
with the appropriate restrictions on the parameters.
a. Show that tes
Statistics 9055
Assignment 2
Due February 7, 2014
1. Data on chronic bronchitis were collected in 1974 on 212 men in Cardiff, Wales. The data
may be obtained in R with the commands:
library(SMIR)
data(bronchit)
attach(bronchit)
The variables in the data s
Statistics 9055
Assignment 1
Due January 24, 2014
1. Obtain the dataset teengamb.txt from the faraway library in R. The data frame has 47
rows and 5 columns. It is from a study of teenage gambling in Britain. The columns in the
data frame are associated w
Chapter 7
Gamma and
Inverse Gaussian
Distributions
Gamma Distribution
1 1
=
( )
> 0, > 0, > 0
Inverse Gaussian Distribution
( )2
=
3
2
22
> 0, > 0, > 0
Example
A life test experiment was
carried out on a type of
electrical insulating fluid.
Fluids
Chapter 5
Multinomial Data
Example from Faraway
Description
Data were collected from 39 students in a University of
Chicago MBA class
Format A data frame with 39 observations on the
following 5 variables.
happy: happiness on a 10 point scale where 10 is
Statistics 9055
Chapter 1
The Data to be Considered
From
http:/rss.acs.unt.edu/R
doc/library/mlbench/ht
ml/BostonHousing.html
A copy of the paper
which first analyzed the
data is at
http:/www.law.berkele
y.edu/faculty/rubinfeld
d/Profile/publications/
H