odds ratios Flashcards
1
Q
probability
A
the likelihood with which an event will occur
2
Q
odds
A
probability of an event occurring divides by probability of that event not occurring
3
Q
odds ratio
A
ratio of the odds of an event occurring in one group compared to it occurring in another group
4
Q
goal logistic regression
A
predicting the likelihood that an event will occur using one or more predictors
5
Q
reason(s) we cannot use a linear regression for binary data
A
- linear line does not fit binary data
- values other dan 1 and 0 cannot be interpreted
6
Q
problems using a linear regression model are fixed in a logistic regression by….
A
transforming the dependent variable
7
Q
why are odds ratios used in logistic regression?
A
to express the relationship between predictor and the outcome variable
8
Q
what do we predict in a logistic regression?
A
log of odds
