1
MATH 542 Analysis of Variance and Regression
Homework 1 Due Friday, Jan. 22
1. If 1n is a vector of 1s, show that
(a) 1n a = a 1n =
ai
(b) A1n is a column vector whose elements are the row sums of A.
(c) 1 n A is a row vector whose elements are the colu
1
MATH 542 Analysis of Variance and Regression
Homework 2 Due Wednesday, Jan. 27
1. Consider the partitioned matrix A =
A11 A12
A21 A22
.
(a) Show that
A1 =
A1 + A1 A12 B 1 A21 A1 A1 A12 B 1
11
11
11
11
B 1 A21 A1
B 1
11
where B = A22 A21 A1 A12
11
(b) Fi
MATH 542 Analysis of Variance and Regression
Computing Lab 1 Due Friday, Jan. 22
Introduction to R
Get started
START You can download R freely at https:/www.r-project.org/. It is essential for
this course that you have R installed on your computer or lapt