Stat424 2016 Spring

My Name is Song Wang, a fourth-year PhD student at Stat Dept. I am TA for stat 424 – experiment design – 2016 srping. This is the homepage for that course. Here I will post my handouts as well as R codes.

Office hours :11am -12pm Mondays and 3-4pm Wednesdays.

Here are the handouts and codes:

Discussion 1

• disc1 handout

• dataset for disc1

Discussion 2

• disc2 handout
• code for disc2

Discussion 3

• disc3 handout
• code for disc3
• code for project1

Discussion 4

• disc4 handout
• code for disc4: using aov to solve randomized block design block, and a little bit about package dplyr.

Discussion 5

• disc5 handout
• code for disc5: more on aov and some visualization
• Some notes on RCBD some use materials on randomized block desgin.

Discussion 6

• No handout this time, cover problems from exam and Question 4 page 224.
• code for disc6: use R to calculate main effects, interaction effects. better use hand.
• exam solution Solutions for exam 1.

Discussion 7

• No handout this time, cover problems from exam and homework questions.

Discussion 8

• disc8 handout

Discussion 9

• disc9 handout

Discussion 10

• disc10 handout: review on fractional factorial design and data boxcox transformation
• R code for data transformation

Discussion 11

• disc11 handout: example on hand calcualation aboutsplit-plot design.
• R code for split-plot design and hierarchical design
• Some theory split-plot design

Discussion 12

• disc12 handout: example on multicollinearity and centerization in regression.

Discussion 13

• disc13 handout: regression in R, including both catergorical variables and contitnuous variables, vif detect multicollinearity etc.