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EPI-204-SPRING 2009
EPI 204 -- (4 units) -- CRN 73025 --
Lecture Tue 11:00AM-1:00PM, Thu 12:10-1:00PM--171 Schalm
Lab/Dis. Thu 11:00-11:50AM SLB 2020
Contact information
Instructor: Danh Nguyen, Ph.D.
Office: MS1C RM 150
Office hours: Tue 10-11, Wed Wed 2:30-4:30 (and by appointment)
Email: See syllabus
TA: Dr. Liz VanWormer
Office hours: Tue 1-2, Thu 3-4 (and by appointment)
Office: outside MS1C #150
Email: See syllabus
Course syllabus:
[PDF]
Cox Proportional Hazards Regression - Lecture example on NSCLC stage migration
Cox PH Regression
SAS code: PHREG
sas code [phreg_sas.txt]
Files for HW4
Data, codebook, SAS code for HW4: Cox PH regression
UIS Data: data
UIS Codebook: code book
SAS code: SAS code to read data
Cox Proportional Hazards Regression
Cox PH Regression
SAS code: PHREG
sas code [phreg_sas.txt]
SAS code: PHREG & adjusted survival curves
sas code [phreg_surv_curve_sas.txt]
Kaplan-Meier, Log-rank test
Kaplan-Meier, Log-rank test
SAS code:
sas code [km_liz.txt]
C. Poisson Regression
SAS code:
sas code [poisson_sas.txt]
SAS output *.lst file:
output (lst) file
Nursing home data:
[HW3 DATA]
(Columns in data set: Unit, BED, TDAYS, PCREV, NSAL, FEXP, RURAL; see HW description for more details of data set.)
A. Multinomial LR
Data:
ME data [meexpdat.txt][HW3 DATA]
Data Description:
data description [meexpdocs.txt]
SAS code:
sas code [meexp_sas.txt]
SAS output *.lst file:
output (lst) file
B. Proportional odds LR
Data: see low birth weight data
Data Description: see low birth weight data
SAS code:
sas code [po_sas.txt]
SAS output *.lst file:
output (lst) file
A. 1:1 Matched case-control example
Data: [DATA]
low birth weight 1:1 matched data [lowbwt11data.txt]
Data Description:
data description [lowbwt11docs.txt]
SAS code:
sas code [lbw_matched_1_1_sas.txt]
SAS handout/output given in lecture
SAS output/handout for class [PDF]
Week 5: Thu 4.30.09 Midterm (11-1pm),
no lab/discussion & lecture
Diagnostic plots and goodness-of-fit
Data and description: same low birthweight data and description below.
SAS codes for Logistic regression diagnostics plots
SAS code:
sas code [lbw_plots_save_sas.txt]
Handout for LR plots:
Word doc [diagnostic.doc]
SAS output for Hosmer-Lemeshow goodness of fit test:
sas code [lbw_plots_save_lst.txt]
Extra practice problems for LR likelihood:
[PDF]
Estimation/hypothesis testing and model selection
Data and description: same low birthweight data and description below.
A. Wald test using proc IML:
SAS code:
sas code [wk4_SAS_IML_Wald_test.doc]
B. SAS codes and output for using contrast statements for hypothesis testing and LRT:
SAS code:
sas code [lbw_constrast_sas.txt]
SAS output *.log file:
log file
SAS output *.lst file:
output (lst) file
SAS handout 2
SAS output/handout for class
C. SAS codes and output using forward and stepwise selection :
SAS code:
sas code [lbw_selection_sas.txt]
SAS output *.log file:
log file
SAS output *.lst file:
output (lst) file
Low birth weight data, logistic regression
Data:
low birthweight data [lowbwdata2.txt]
Data Description:
data description [lowbwt_data_desc.txt]
SAS code:
sas code [lbw_sas.txt]
SAS output *.log file:
log file
SAS output *.lst file:
output (lst) file
SAS handout 1
SAS output/handout for class
Lab/Disc. 3: CORRECTED VERSION of SAS codes and output
[MS Word]
Lab/Disc. 3: SAS codes and output
[MS Word]
[RTF]
HW2: Logistic regression ...
Data:
ICU data [icudata2.txt]
Data Description:
data description [icu_data_desc.txt]
Data Description:
sas code to read in ICU data [HW2_Q2_read_data_sas.txt]
HW 2 (due Thu 4/23 by 5pm can give to Liz)
Given out in class (Tue 4/14)
HW1: Linear regression review ...
HW 1-part 1 (due Tue 4/14)
hw1 part 1 [pdf] Posted Mon 4/6
HW 1-part 2 (due Tue 4/14)
hw1 part 2 [pdf]
Data -- see materials for week 1 discussion below
Birthweight/PCB data
Data:
birthweight-pcb data [bw.txt]
Data Description:
data description [bw_data_desc.txt]
SAS code:
SAS code [read_data_sas.txt]
SAS output *.log file:
log file
SAS output *.lst file:
output (lst) file
Lab/Disc. 2:
SAS codes [Word]
Lab/Disc. 1:
SAS codes [text]
Week 1: Review
Review materials - lecture slides
[PDF]
Computing resources/manuals:
SAS User's guide to:
PROC LOGISTIC
Chap.39
PROC GLM
Chap.30
PROC PHREG
Chap.49
PROC MIXED
Chap.41
Some Links for SAS plots
SAS plot examples
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