Linked Questions

3
votes
1answer
2k views

Intepreting 'one-unit' Change in Logistic Regression [duplicate]

I have very easy question that I'm hoping someone can assist me with: I ran an example logistic regression using this R code: ...
2
votes
1answer
546 views

Logistic regression interpretation [duplicate]

I have trouble interpreting logistic regressions. And reading through several materials just confused me even more. Perhaps an example along with my course of thinking might clarify - what exactly I'm ...
0
votes
1answer
82 views

Odd Ratio and logistic regression [duplicate]

Say, I am trying to predict likelihood to buy ice cream (event =1 , non-event = 0) using logistic regression. I have only one variable "Gender" (2 value= Male/Female), so, the formula would be like ...
1
vote
0answers
133 views

Significance of logistic regression coefficients [duplicate]

Let's say I fit logistic regression with 2 predictors (x1, x2) and binary outcome (y). When I fit two separate regression y~x1 and y~x2 coefficients for predictors are significantly different from 0, ...
0
votes
0answers
122 views

Ordinal Regression Interprataiton [duplicate]

I am trying to learn how to perform ordinal logistic regression, this time using SPSS (but it is not very important to my question). I used the following tutorial: Link to example And either I don'...
0
votes
0answers
54 views

How to interpret Odds ratios [duplicate]

If the OR of developing dementia when living with people versus living alone is 0.36 (95% CI 0.16-0.80) what would be the OR of developing dementia when living alone versus living with people? Would ...
2
votes
0answers
51 views

How to interpret odds ratios as probability or chance? [duplicate]

Im working on a panel data set and have difficulties to understand the odds ratio of a fixed effect logit model. I prepared an cross sectional exapmle. I suppose ...
0
votes
0answers
40 views

spss 20 for mac: how to get probabilities after running a binary logistic regression [duplicate]

I have a binary variable that I'm investigating in SPSS, inclination_to_dance. I have another linear variable as well, ...
0
votes
0answers
22 views

How to Interpret Parameter Estimate Output from SPSS [duplicate]

Dear Community Members, Given the outputs of the SPSS analysis, how can the exp (B ) and Beta values be interpreted in terms of odd ratio ? and in relation to how the independent variable affects the ...
299
votes
10answers
287k views

Difference between logit and probit models

What is the difference between Logit and Probit model? I'm more interested here in knowing when to use logistic regression, and when to use Probit. If there is any literature which defines it using ...
36
votes
2answers
84k views

Interpretation of R's output for binomial regression

I'm quite new on this with binomial data tests, but needed to do one and now I´m not sure how to interpret the outcome. The y-variable, the response variable, is binomial and the explanatory factors ...
25
votes
2answers
29k views

What does the logit value actually mean?

I have a logit model that comes up with a number between 0 and 1 for many cases, but how can we interprete this? Lets take a case with a logit of 0.20 Can we assert that there is 20% probability ...
5
votes
6answers
17k views

What is the probability that a person will die on their birthday?

I am curious about what the probability is that a person will die on their birthday? I am sure there are a number of ways to approach this, plus I have heard that actual numbers point to a higher ...
21
votes
1answer
40k views

What is the difference between logistic and logit regression?

What is the difference between logistic and logit regression? I understand that they are similar (or even the same thing) but could someone explain the difference(s) between these two? Is one about ...
12
votes
4answers
14k views

In R how to compute the p-value for area under ROC

I struggle to find a way to compute the p-value for the area under a receiver operator characteristic (ROC). I have a continuous variable and a diagnostic test result. I want to see if AUROC is ...

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