Tagged Questions
0
votes
2answers
42 views
How to detect a quasi separation problem for a data set?
Suppose that we have a two-column data set. One column consists of a hundred x=0 and a hundred x=1, whereas the other one consists of y's (1 or 0 response). Besides, suppose that the P(Y=1|X=0) = ...
0
votes
0answers
21 views
Measure the relation/association between the outcome and the independent variables
I am running a model (logistic regression) with 20 independent variables in R.
Before running the model I calculated the correlation between all the variables and finally selected my variables by ...
1
vote
1answer
133 views
Method to compare 2 models of different years (not by a dummy variable)
I'm a student in economics having trouble with a research in SPSS (BINARY LOGISTIC REGRESSION).
I'm using 2 different datsasets with different samples, same variables, each dataset represents a ...
1
vote
1answer
388 views
Large data set for testing kernel logistic regression [closed]
Does anyone know of a large data set (upwards of $10^7$ rows, but I'll take $10^5$ as well) that would be appropriate for testing kernel logistic regression? Continuous variables, 2 to 50 independent ...
1
vote
2answers
151 views
How should I set up my data for a logit model?
Let's say I have a sample of "events" done by a certain number of subjects, and some (although not most) of these subjects have underwent more than one event. I'd like to fit a logit model to these ...
2
votes
1answer
290 views
How to deal with RAM limitations when working with big datasets in R?
I am currently playing around with the MNIST dataset (http://yann.lecun.com/exdb/mnist/) in R. The training set size is 60000x748 and it seems to drain all my memory even when constructing simple ...
0
votes
0answers
222 views
Logistic regression with longitudinal data
I have longitudinal data (one measurement being continous and the other ordinal) and I want to fit a model which takes into account the correlation between these two measures. I am using stata. Can ...
3
votes
3answers
645 views
How should we convert sports results data to perform a valid logistical regression?
Say we want to perform a logistical regression analysis (although my question pertains to regressions in general) on sports results to determine the effects of various factors on who wins and who ...
