Function of the lme4 package for running linear mixed-effects regressions.
Function of the lme4 package for running linear mixed-effects regressions.
Questions tagged [lmer]
88 questions
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Error in random intercept and random slope model
I am using the lme4 package in R and trying to fit in a random slope and random intercept model.
I would be really helpful if anyone can help me understanding this error when I run a random slope and random intercept model and what to do regarding…
user3013423
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failure to get p-values for lmer using lmerTest
I have run the following model using lmerTest and using lme4:
model2 = lmer(log(RT)~Group*A*B*C+(1|item)+(1+A+B+C|subject),data=dt)
Using lmerTest I get the following error when typing the summary() command:
> summary(model1)
Error in…
stephanie
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Colnames error after running Summary() in mixed model
R version 3.1.0 (2014-04-10)
lmer package version 1.1-6
lmerTest package version 2.0-6
I am currently working with lmer and lmerTest for my analysis.
Every time I add an effect to the random structure, I get the following error when running…
Nalerive
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How to get rid of lmer warning message?
I have made some changes to the lmer. It works as it should but I could not get rid of the warning message that pops when I run the program. I have added the following options which allows the program run without stopping but with the warning…
Deniz Akdemir
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Contrasts in lmer
I have specified a mixed effect linear model with lmer and I don't know how to specify the contrasts for it. In my data I have a Condition with two levels, while in each Condition I have 20-20 Players. In each condition I present 7 Scenarios which…
Pio
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Obtaining Std Dev & t value in lmer() estimates
I'm trying to use lmer() to construct a linear mixed effects model, but the output I get simply looks like this
> model <- lmer(elogit_ToTarget ~ (Age..vA..months. + EVT_GSV + DDNotAgeSensitive)*(OrthTime + OrthTime2) +
+ ( OrthTime…
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Huge difference in R lmer output between R versions 2.15.2 and 3.0.1
Having just installed R version 3.0.1 on my Windows 7 machine to use package nlme, I've found a huge difference in the models fitted by the lme() function in package lme4.
Note that these results also differ in that R 2.15.2 uses lme4 1.0-4, while R…
Eoin
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User-specified Z matrix in lme
I have been looking forever about how to do this in R and cannot find anything! Basically, I am wanting to shrink predictors using LMM. So I have a set of fixed effects, X, and I have a set of predictors, Z, that I want to put a random effect on so…
branumn
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lmerTest and lmer: Error message
I have run lmerTest and lmer in R in the version 2013:
> library(lmerTest)
> data1.frame <- read.delim("colorness.txt", fileEncoding="UTF-16")
> str(data1.frame)
> lmer3 <- lmerTest::lmer(duration ~ (1|item) + (1+color|speaker) + group*color*sex,…
user3288202
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How to find F and p-value in Linear Mixed models
I am still not very familiar with R and I would like to construct linear model of mixed effects using lmer function.
We have 3 independent variables with 2 modalities each time:
group (G3 and G5)
frequency (LF and HF)
conditions (NR and PH)
and…
Ewa Karolina P
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R lmer debugging: Error in [[<-.data.frame(*tmp*, i, value = integer(0)) : replacement has 0 rows, data has 117
I am able to use lmer on an older computer without this error, but the new version (downloaded yesterday) gives me this error message:
Error in [[<-.data.frame(*tmp*, i, value = integer(0)) : replacement has 0 rows, data has 117
in response to this…
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1 answer
Removing Rows in R Has Distorted the Data Set
I have removed certain rows from my database using the following code:
df2 <- df1[!(df1$variable==1), ]
This was a dummy variable, and the rows that had the value of 1 for that particular dummy variable were successfully removed. (I checked the…
neutral
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anova output blank when run on lmer model
I'm trying to run an anova model using the lme4 library. I don't have any real data, so I just yanked the Cars93 data from MASS. While I could get lmer(...) to work, I can't seem to get the anova table to print.
Here's what happened:
>…
Connor_84
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