What to do when you need an intuitive measure of model quality for your logit (logistic) model? The problem is that logit models don’t have a nice measure such as R-square for linear models, whi… more →
HLP/Jaeger lab blogtiflo wrote 3 months ago: What to do when you need an intuitive measure of model quality for your logit (logistic) model? The … more →
tiflo wrote 4 months ago: The LSA Summer Institute is almost over and it has been a lot of fun so far. I didn’t get to s … more →
tiflo wrote 6 months ago: I am always annoyed that one has to remind R to reduce the number of levels of a factor after a subs … more →
tiflo wrote 6 months ago: One of the more common questions I get about mixed models is whether there are any standards regardi … more →
aufrank wrote 7 months ago: This post is partly a response to this message. The author of that question is working on ordered ca … more →
tiflo wrote 7 months ago: One of the most common issues in regression analyses of even balanced experimental data is collinear … more →
tiflo wrote 7 months ago: Since I get asked for the R code I promised in my 2008 JML paper on mixed logit models every now and … more →
tiflo wrote 8 months ago: While Victor Kuperman and I are preparing our slides for WOMM, I’ve been thinking about how to … more →
tiflo wrote 9 months ago: Heya. I just wanted to bring the following nice article by Daniel Ezra Johnson to everyone’s a … more →
aufrank wrote 9 months ago: While R is an excellent tool for a wide variety of statistical analyses, it’s not the only gam … more →
nesnider wrote 10 months ago: UPDATE: I have found that you can get around this problem completely by using a more sensitive keybo … more →
tiflo wrote 10 months ago: UPDATE 10/16/09: Ok, so now for real. I finally found the bug that has been … well, bugging me … more →
tiflo wrote 1 year ago: Some time ago, I announced that some folks have been thinking about organizing a small workshop on c … more →
tiflo wrote 1 year ago: Out of recent conversations with a whole bunch of folks (e.g. John Trueswell, Jennifer Arnold, Elsi … more →
tiflo wrote 1 year ago: This summer, Austin Frank and I organized a six 3h-session tutorial on regression and mixed models. … more →
tiflo wrote 1 year ago: That’s all. I mean I had fun. Oh, and before there are more questions. The stats program menti … more →
tiflo wrote 1 year ago: Ok, I know this is dumb of me (obviously), but I bet I am not the only one ever who wondered what th … more →
tiflo wrote 1 year ago: I’ve been using a two-step approach, where in the first step I use all data (including fillers … more →
tiflo wrote 1 year ago: Some time ago I posted some R-code on how to create spill-over data from a linger reading time file … more →