Linked Questions

1
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0answers
1k views

Residuals in Poisson regression in R [duplicate]

While performing Poisson regression in R, I realized that the residuals, as given in the object slot (model$residuals), differ both from the values returned by the <...
78
votes
3answers
42k views

Diagnostics for logistic regression?

For linear regression, we can check the diagnostic plots (residuals plots, Normal QQ plots, etc) to check if the assumptions of linear regression are violated. For logistic regression, I am having ...
7
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1answer
23k views

Logistic regression diagnostic plots in R

For testing purposes I made up some correlated data in R like this: ...
11
votes
3answers
1k views

Regressing Logistic Regression Residuals on other Regressors

With OLS regression applied to continuous response, one can build up the multiple regression equation by sequentially running regressions of the residuals on each covariate. My question is, is there a ...
2
votes
1answer
5k views

How to compute the residual standard deviation from `glmer()` function in R?

I want to extract standard deviation of residual from glmer() function in R . So I wrote : ...
3
votes
1answer
3k views

What is the best statistical model for my binary outcome variable?

My hypothesis is: As the experimental count variable increases, the probability that the binary dependent variable equals 1 increases. I expect both the independent and dependent variables to be not ...
4
votes
2answers
1k views

Consequences of an improper link function in N alternative forced choice procedures (e.g. 2AFC)?

Background: In some cognitive psychology research areas N-alternative forced choice tasks are common. The most common of these is a two alternative forced choice (2AFC). This usually takes the form ...
2
votes
1answer
979 views

Proportion/Rate data and zero-inflation (two counts)

I have an experimental dataset which makes use of two counts. Using vague terms, we are studying animals as they become behaviourally inactive and then apply a stimulus once an hour. One of the counts ...
0
votes
0answers
319 views

Modeling the residuals of a logistic regression with spatio-temporal observations

I am attempting to generate a probability map based on spatio-temporal observations where the response is 0 or 1. I use R to do the following I first attempted to use the ...
1
vote
1answer
159 views

Show that each iteration of Fisher Scoring for GLM is least squares for working response

Show that each iteration of Fisher Scoring (also Iterated ReWeighted Least Squares - IRLS or IWLS) algorithm is the same as doing least squares on the working responses, where the working responses ...
1
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1answer
99 views

Reference for Two-level Logistic Regression

I am an undergraduate student . In this level , we aren't taught Multilevel Logistic Regression. But my project topic is Multilevel Logistic Regression and I am ...
0
votes
1answer
80 views

Outliers Logistic Regression

I want to know how to find and remove outliers from my Logistic Regression. I have tried using formula from Faraway, but I don't know is it applicable for logistic regression or not For example my ...