This web page is for error corrections and other changes to the slides and homeworks.
- (posted Feb 17). There was an error found in class, a minus sign that should have been a plus sign in the calculation of standard errors in the file likelihood.R. Fixed.
- (posted Feb 15). We have another erratum for homework 2. The data for problem 2-4 was not on the web. Now it is there (http://www.stat.umn.edu/geyer/s16/5421/mydata/hw2-4.txt).
- (posted Feb 15). In the handout Simple Chi-Square Tests for Contingency Tables, Section 3.4 did not really check that both procedures would calculate both tests the same way. Now the checks are right, and there is more explanation.
- (posted Feb 15). Already we have an erratum for homework 2. In problem 2-3 it should say to do 95% confidence intervals.
- (posted Feb 15). In the handout Simple Chi-Square Tests for Contingency Tables in Section 2.3 everywhere that x1 + x2 appears it should be x1 + x6 (6 different places). This error was caught by a student.