Questions tagged [odds]

The odds of an event is the ratio of the probability that the event will happen (p) to the probability that it will not happen (1-p).

220 questions
Filter by
Sorted by
Tagged with
1 vote
35 views

Interpretation of average marginal effect logistic regression model [duplicate]

I am currently writing a master thesis on the relationship between the unemployment rate (measured in percentage points) and first birth hazards (i.e. the probability of having a first child) using ...
• 13
1 vote
27 views

• 540
47 views

• 367
3k views

Interpretation of continuous variable in an odds ratio for logistic regression

I have an odds ratio of 1.02 for x variable (Age, a continuous variable measured in units "1 year"). My response variable is Y. I would interpret this as for every increase in Age by 1 year ...
• 23
1 vote
137 views

Log of the odds in Logistic Regression

In simple logistic regression i noticed that many researcher neglect the constant part of the logistic regression equation. Log(odds) = a + b Gender (say that 0 = Female and 1 = Male) So the log of ...
• 151
249 views

Intuition of the log odds linearity assumption for logistic regression

I'm currently having trouble understanding the assumption of logistic regression that the input variables must be linearly related to the log odds. Specifically, what actually happens to the model ...
• 31
1 vote
199 views

D&D Probability question: why am I wrong?

In Dungeons and Dragons, the primary die used for success or failure is the D20, or 20 sided die. A 1 is a critical failure, and a 20 is a critical success. When one has advantage, one rolls 2 dice ...
• 113
3k views

Interpretation of Odds Ratio (OR) in Fisher's exact test

I've tried using R operating Fisher's exact test to test for independence of the 2 datasets below and struggling to interpret the Fisher report. Please have a look at the data and the Fisher's test ...
• 75
2k views

Probability your name will be drawn out of a hat without replacement

Let's say you put your name in a hat with 7 other names (n=8). Only 4 names will be drawn from said hat. Each name will be drawn one at a time, without replacement. What is the probability that your ...
• 23