STAT 452 - STATISTICAL METHODS


Instructor

Syllabus

Office Hours



  • Tuesday 10-12
  • Wednesday 11-12
  • Thursday 1-5

Homework Assignments

Note: To download an R file, right-click the file and select "Save Target As" or "Save Link As".

Assignment Solutions R Data R Code Due Date
Homework #1 Solutions
Comments
prob11-12.txt  stripmining.txt
cesium.txt  sizes.txt
hw1.r Friday, February 7
Homework #2 Solutions
Comments
sucrase.txt  recovery.txt
repairs.txt  wheatears.txt
hw2.r Friday, February 14
Homework #3 Solutions
Comments
fishsize.txt  relrisk.txt
bigbang.txt  recovery.txt
hw3.r Friday, February 21
Homework #4 Solutions
Comments
chickfeed.txt  malebirths.txt
cornrain.txt  natal.txt
hw4.r Tuesday, March 4
Homework #5 Solutions
Comments
ozone.txt  crab.txt
extinct.txt
hw5.r Wednesday, March 12
Homework #6 Solutions
Comments
paper.txt  turkey.txt
biomass.txt  maxspeed.txt
protein.txt  press.r
Guthery (2008) paper
hw6.r Friday, March 28
Homework #7 Solutions
Comments
aphid.txt  warming2013.txt
nitrogen.txt  micro.txt
hw7.r Friday, April 11
Homework #8 Solutions
Comments
prob8-6.txt  prob8-37.txt
prob8-42.txt  logging.txt
"Odds Are, It's Wrong" Paper
hw8.r Monday, April 21
Homework #9 Solutions
Comments
prob9-7.txt  prob9-22.txt
prob9-25.txt  premium.txt
prob8-37.txt
Seq.Bonferroni Paper
hw9.r Friday, May 2
Homework #10 Emailed on 5/9 prob15-24.txt  prob14-27.txt
heatloss.txt
Friday, May 9

Course Handouts

Date Chapter Notes Data/Code
1/27 10.4-10.6 Review Notes on Chi-Square Tests chisq.r
1/29-2/3 11.1-11.2 The Simple Linear Regression Model simplinreg.r
Whooping crane data
2/5-2/7 11.1 Transformations to Linearize Relationships transform.r
2/7-2/10 11.7 Correlation correlation.r
2/12-2/19 11.3-11.4 Inference for Simple Linear Regression inferslr.r
2/21-2/24 11.5 Examining Lack of Fit in Regression purelofnotes.r
purelof.r
2/24-2/26 12.1-12.2 Introduction to Multiple Linear Regression mrintro.r
2/26-3/7 12.3-12.4 Inference in Multiple Linear Regression multreg.r
Meadowfoam Data
3/3 Review Sheet - Test #1
3/7-3/10 12.5 Testing a Subset of Regression Coefficients multpar.r
Fancy Paired Scatterplot Function
Brain/Body Weight Data
3/12 12.7 Comparing Slopes of Regression Lines multslopes.r
Ideal Body Weight Data
Echolocating Bats Data
3/14-3/17 12.8 Logistic Regression R Code for Logistic Fit
3/19-3/24 13.1-13.2 Multiple Regression Diagnostics subset.r
SAT Data
3/26 13.2-13.3 Looking for LOF with Residual Plots residlof.r
3/26-4/7 13.3-13.4 Model Diagnostics diagnost.r
4/7 13.3 Nonlinear Regression nonlin.r
AIDS Data
4/7-4/11 8.1-8.2 Analysis of Variance (ANOVA) anova.r
Alzheimer's Data
Nicotine Data
4/14-4/16 8.4,7.4 Testing for Variance Homogeneity varhomog.r
4/16 8.6 Kruskal-Wallis Test kruskal.r
4/11 Review Sheet - Test #2
4/18-4/21 9.1-9.3 Multiple Comparisons
4/23-4/28 9.4-9.9 Multiple Comparison Procedures multcomp.r
4/30-5/2 14.2,15.2 Experimental Designs rbdesign.r
5/2-5/5 15.5 The Factorial Design Stress Level Data
factor.r
5/5 Review Sheet - Final Exam


Lecture Videorecordings

The 10th and final homework assignment is available above and is due on Friday, May 9.

The final exam will be given on Friday, May 16 from 10:10am-12:10pm in room 211 (the usual classroom). A review sheet for the final will be distributed on Monday, May 5 in class. You may bring something to write with, a calculator, and one 8.5x11 sheet of notes to the final exam. Statistical tables will be provided if necessary. Please come see me if you have any questions or concerns about the final exam.

For instructions to install R in a Windows environment, click Rinstall - Windows.pdf
For instructions to install R in a MAC environment, click Rinstall - MAC.pdf
For a quick reference guide to using R, click R Intro.pdf

Here is a link to the "The Dot and the Line" cartoon.

If you like mathematics and like puzzles, try this MathCounts State-Level puzzle I put together for middle school kids: StatePuzzle2009.pdf

Last modified: 5-May-2014
Mail comments to: jgraham@mso.umt.edu