Posts by Cleber Iack • 181 points
10 posts
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viewsQ: Need to test heterocedasticity before using the Kruskal-Wallis test
My question is whether or not to test heterodasticity before using the Kruskal-Wallis test. What I understand is that if I want to compare medians/mean, then I have to check for heterocedasticity,…
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answer62
viewsQ: Dotplot in R include vertical line and dots of different colors
I needed to include in the code below a vertical line, for example, at position x = 5 and that all points with x smaller than 5 have another color, for example blue. The values of a variable can be…
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answer43
viewsQ: GLMM - Prediction with ID
Friends, I have different companies with different characteristics and each company has the same positions I selected the data of several members of each position of each company and noted…
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answer1025
viewsQ: Variables selected in GLM being used in GLMM
I would like to ask a question about generalized mixed linear models. I know that the hierarchical structure of the observations, their independence and the existence of unbalanced samples among…
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answer58
viewsQ: Bootstrapped confidence interval for GLMM model parameters
I am doubtful to generate a confidence interval that I have been asked to when it is a GLMM Normally if it were not binomial would do for example like this: library(boot) library(lme4)…
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answer316
viewsQ: Predict function in GLMM
Edited When we use a traditional logistic regression and make a prediction in R for example: library(dplyr) n = 300 xx<-c("r1","r2","r3","r4","r5") xxx<-c("e1","e2","e3") p=0.3 df1 <-…
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answers106
viewsQ: Is ROC curve to GLMM possible?
Friends, My doubt is as follows, I am using the following code in R to construct a ROC curve , but I cannot say if in case of GLMM (Mixed Generalized Linear Model) I can use and if in this case the…
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answer488
viewsQ: Corrupted Latex file
I use Texstudio (Latex) and today I worked all day in a chapter of my thesis. I stopped now the night and when I came back I put it to save one more time before exporting to the cloud and to my…
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answer463
viewsQ: hnp function - R hnp package
My model was created with the function glmer, pacete lme4. It is a generalized linear mixed model with binomial response. form=status~(A1+A2+ B1 + ... + B10 + (1 | escola)) Mod1 <- glmer(form,…
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answers97
viewsQ: GLMER, longitudinal data, random factor, binomial
I’m using the function glmer package lme4. My answer is binomial. I have 5 schools, with approximately 100 teachers, and a teacher does not work in more than one school, I have 5 longitudinal…
rasked Cleber Iack 181