Questions tagged [lme4]
lme4 is an R package for fitting and analyzing linear, nonlinear and generalized linear mixed models.
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Matrix will not download in R despite updated version [duplicate]
I was trying to do a linear mixed model in R (lmer) and I got an error Error in initializePtr() : function 'cholmod_factor_ldetA' not provided by package 'Matrix'
I used ChatGPT and it told me to ...
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Problem with factors with a linear model lmer
I have a problem with a linear lmer model. Indeed, I have several factors that interest me and I want to see if they have an impact on my data. I have 6 of them and for 4 of them, I have no worries. ...
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Degrees of Freedom in Emmeans
I am using the 'emmeans' package in R to compute estimated marginal means for my (liner mixed-effects) model. However, I am enountering a warning message related to the number of observations ...
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R - 95 CI for rmse from lmer
Is it possible to get the 95 CI for rmse? Thank you
library(lme4)
library(performance)
dat <- read.csv("https://stats.idre.ucla.edu/stat/data/demo3.csv")
m1 <- lmer(pulse ~ time ...
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Factor Random Slope Models Showing Referece as Random Effects in Glmer Logit
I am running a logistic regression model with random slopes in R, where the variable m_edu varies between countries.
fsdisability1 ~ factor(caretakerdis) + (-1 + factor(caretakerdis) | country)
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Add Random Effects to Stargazer table
I have a Mixed-effects model and I want to use stargazer to create a regression table including the Random Effects part.
I can get something similar using either sjPlot::tab_model() or texreg::texreg()...
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Extract the scale and shape parameter of Gamma-distribution GLMER model to calculate the prob. densities of unseen data
I'm using lme4 to fit a generalized linear mixed effects regression model (GLMER) for a Gamma-distributed response variable. After fitting the model, I want to calculate the log-transformed ...
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bootstrap for model estimation with a created function
I am trying to make comparisons between treatments of my heritability estimates, values that I calculated with the following function:
data <-
data.frame(treatment=c("control", "...
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“Error in initializePtr() : function 'cholmod_factor_ldetA' not provided by package 'Matrix'” when applying lmer function
I keep on receiving an error when I use the lmer() function:
Error in initializePtr() : function 'cholmod_factor_ldetA' not
provided by package 'Matrix'
I have tried multiple times based ...
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Pre-specifying Random Effect Covariance Matrix in glmer
I need some help with manually specifying a random effect using glmer similar to how it's done in a brm model. In this brm model, Scott Claessens used a pre-specified covariance matrix for a random ...
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Model comparison or beta coefficient of full model? [migrated]
my question is a rather theoretical one. I have to decide in advance how I want to analyze my data (I'm going with the lme4 package in R) and feel torn between doing a model comparison by creating two ...
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I have multiple lmer models, how to adjust the p-values for multiple testing?
I couldn't find any similar questions because all the questions I found deal with correcting for multiple comparisons within a single lmer model.
I have a set of lmer models, which always have the ...
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df = 1 for an intercept-only linear mixed model, how to fix? (R) [closed]
I'm testing the intercept of a linear mixed model regression predicting a binary variable in an intercept-only model with random intercepts for another dichotomous variable and one factor variable ...
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implementing an overall Wald test for a glmer model [closed]
I would like to know how to get the overall Wald test and its p-value for a fitted glmer model from the lme4 package. For example:
credec ~ passexp + soctie + recexp + peer + soctie * recexp +
(1 |...
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"Error in initializePtr(): function 'cholmod_factor_ldetA' not provided by package Matrix" gets displayed while trying to generate mixed effects model
I have already tried the previous solutions displayed by some users. I have tried removing and reinstalling Matrix and lme4 packages. To make matters worse, now R is unable to install lme4 or Matrix ...
