Ruben Arslan

Recently Published

Worked example
Data simulation to find out why GAM and brms disagree
Replication in the Reproducibility Project Psychology and citations
Does replication in the RPP predict how often a paper is cited before and after the RPP results were published? No.
Ordinal model with floor effects in the outcome
When not modelling ordinal data properly, can we mistake a floor effect in the outcome as an interaction effect with a variable that causes the floor effect?
Haselnuss Ranking
Example self insight
Demonstration of waffle plot functions in ggplot2
showing a problem with my prediction function for MCMCglmm zero-altered methods where the CI of the prediction depends on the factor reference chosen
convergence warnings missing from knitr
These warnings show after knitting instead of processing file: convergence_warnings_bolker.Rmd output file: /usr/local/bin/pandoc --to html --from markdown+autolink_bare_uris+ascii_identifiers+tex_math_single_backslash-implicit_figures --output convergence_warnings_bolker.html --smart --email-obfuscation none --self-contained --standalone --section-divs --template /Library/Frameworks/R.framework/Versions/3.1/Resources/library/rmarkdown/rmd/h/default.html --variable 'theme:bootstrap' --include-in-header /var/folders/tr/lgwjmdgd72bckr1hj5gd_7640000gp/T//Rtmpi037yn/rmarkdown-str1067799c69d7.html --mathjax --variable 'mathjax-url:' --no-highlight --variable highlightjs=/Library/Frameworks/R.framework/Versions/3.1/Resources/library/rmarkdown/rmd/h/highlight Output created: convergence_warnings_bolker.html Warning messages: 1: In checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, : Model failed to converge with max|grad| = 1.52675 (tol = 0.001, component 17) 2: In checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, : Model is nearly unidentifiable: very large eigenvalue - Rescale variables?;Model is nearly unidentifiable: large eigenvalue ratio - Rescale variables?