STAT 574 Assignment #5 (Due: Nov 4, 2015 in class)
Please submit your SAS or other analysis code
1. (3 points) For the horseshoe crab data, fit a logistic regression for the probability of at least two
satellites, using weight and width as the predictors.
STAT 574 Assignment #6 (Due: Nov 11, 2015 in class)
Please submit your SAS or other analysis code
1. (5 points) A fitted model predicting preference for
(Democrat, Republican,
Indepen President
D
R
dence) using x =annual income (in 10,000) is log I = 4.
STAT 574 Assignment #4 (Due: Oct 14, 2015 in class)
Please submit your SAS or other analysis code
1. (7 points) Consider the Snoring and Heart Disease data. With scores of cfw_0,1,3,4 for snoring
levels.
(a) (1 point) Obtain the ML fit of the logistic reg
STAT 574 Assignment #3 (Due: Sep 30, 2015 in class)
1. (1 point) Describe the purpose of the link function of a GLM. Define the identity link, and explain
why it is not often used with the binomial parameter.
2. (2 points) On the snoring and heart disease
STAT 574 Assignment #2 (Due: Sep 23, 2015 in class)
1. (4 points) The table below comes from the first studies of the link between lung cancer and
smoking. In 20 hospitals in London, UK, patients admitted with lung cancer int eh previous year
were queried
STAT 574 Assignment #1 (Due: Sep 16, 2015 in class)
1. (2 points) Using an observed value of X with X Bin(n, p), obtain mean and standard error of
the maximum likelihood estimator p = X/n.
2. (4 points) In n = 10 trials, suppose we observe the number of s