1
Q
What is a general linear modelling (GLM)?
A
- linear modelling is a very well established tool in statistics
- very flexible
- provides easily interpreted models = key element for epidemiology
2
Q
What is a linear model?
A
helps to indicate if there is an association between two variables
3
Q
What are nuisance variables?
A
confounders and competing exposures
- undermines the interpretation of these associations
- but can adjust for these
4
Q
On stata what does ‘regress’ mean? continuous variables
A
it is used to make linear models/linear regressions
5
Q
What do you do with regress on stata if the variables are categorical?
A
xi precedes regress
e.g. xi: regress weight i. sex
6
Q
what is a logistic regression and when is it used?
A
it is used if the outcome is binary and is categorical
e.g. xi:logistic comply not i. sex
YEAR 3 RESS
flashcards
Decks in class (19)
# Cards
-
INTRODUCTION TO RESS 3 15/09/166
-
INTRODUCTION CONTINUED TO RESS 3 15/09/1614
-
INTRODUCTION TO PROJECT OUTLINE AND PROJECT PROPOSALS 20/09/167
-
INTRODUCTION TO COMPETING PRIORITIES 20/9/1617
-
INTRODUCTION TO ETHICAL PRACTICE FOR CLINICAL STUDIES 23/09/166
-
VULNERABLE PARTICIPANTS AND HIGH RISK ISSUES 23/09/1611
-
SAMPLING STRATEGIES 27/10/1615
-
INTRODUCTION TO ESTIMATING HOW MANY PARTICIPANTS ARE NEEDED 27/10/1610
-
SAMPLE SIZE 1/12/168
-
Sample size: How to estimate the number of participants/observations you may need? 2/12/165
-
DATA COLLECTION 5/1/173
-
DATA COLLECTION IDENTIFYING VARIABLES LIKELY TO BE IMPORTANT TO INCLUDE IN MY ANALYSIS 5/1/178
-
DATA COLLECTION IDENTIFYING VARIABLES WHERE TO SOURCE YOUR VARIABLES 9/2/1712
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DATA COLLECTION CHOOSING THE BEST PLACE TO SOURCE 9/2/177
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MULTIVARIABLE DATA ANALYSIS 10/2/176
-
MULTIVARIABLE DATA ANALYSIS PART 2 10/2/174
-
QUALITATIVE STAKEHOLDER ANALYSIS 16/3/1713
-
QUALITATIVE STAKEHOLDER ANALYSIS 2 16/3/1712
-
HEALTH ECONOMICS 4/5/1721
