Cross Validated Questions, Problems & Solutions : TransWikia.com ~ Page 10

Specifying model in glmer() - interaction terms

I am running a generalised mixed effects model, of family logistic regression, using function glmer(). I am predicting likelihood of response (0/1) and my fixed effects to explore in...

Asked on 12/25/2021

1 answer

lmer or binomial GLMM

I am running a mixed model in R. However I am having some difficulty understanding the type of model I should be running for the data that I have. Let's...

Asked on 12/25/2021

1 answer

Is my design nested or crossed? Question concerning specifying random effects with lmer in R

I've run an experiment where 120 participants (PP) viewed 40 quotes (Item) each (presented in Facebook format) and were asked to rate them on a scale (1 to 7) (Rating...

Asked on 12/25/2021

1 answer

Interpretation of binomial GLM (glmer) with interaction and results description

I would like to confirm if I am analysing the results of my model correctly and get some advise if I am missing something! I conducted the following model to...

Asked on 12/25/2021 by Catarina Toscano

1 answer

How to compute standard deviation from mean absolute error?

I would like to compute the standard deviation from mean absolute error for predictions of a CNN I trained. consider model_predict as the predicted value for the network, and y_test...

Asked on 12/25/2021

1 answer

If the joint density $f_{X_1,...,X_n}(x_1,...,x_n)$ is symmetric about the origin, does this imply that each marginal cdf $F_{X_i}(0)=1/2$?

If the joint density $f_{X_1,...,X_n}(x_1,...,x_n)$ is symmetric about the origin in the sense that for any $(x_1,...,x_n)$, it holds that $f_{X_1,...,X_n}(x_1,...,x_n)=f_{X_1,...,X_n}(-x_1,...,-x_n)$ , does this imply that each...

Asked on 12/25/2021

0 answer

Graphic model factorizing, marginalization

This is actually a probability marginalization question that I encountered in graphic models section of PRML by Bishop (question about equation 8.26 page 391). Assume I have the following graphic...

Asked on 12/25/2021 by K.K.McDonald

1 answer

Can PCA be applied to a subset of features

I just came across a post that said in case of multicollinearity, apply PCA to the collinear features and fit the resulting variables. My question is, suppose I have 20...

Asked on 12/25/2021 by Mayank Kumar

1 answer

$ E(f(X_0)f'(X_l)) = E(f'(X_0) f(X_l)) $ for a stationary process?

I have a stationary process ${X_t}_{tinmathbb N}$ on $mathbb R$ and two functions $f, f': mathbb R rightarrow mathbb R$. Does the equation$$ E(f(X_0)f'(X_l)) =...

Asked on 12/25/2021 by L D

0 answer

Testing linear hypothesis with Wald test: unintuitive results

I have a question about testing the equivalence of two regression parameters. I know there are a lot of resources about how to test a linear hypothesis but I am...

Asked on 12/25/2021 by CarsonWhit

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