AceOfBayes
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Thanks for your reply, EJ. I believe there would indeed be strong interest in a solution for this problem (in cognitive neuroscience for sure). Explicitly modeling the dependence sounds like it would be difficult to converge on a model that is gener…
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Thanks for your comment. The Stephens & Balding paper was great! It clarified the multiple comparisons correction through prior odds for me. It also brought up the connection between the posterior probability of association (PPA), which basicall…
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Thank you very much, EJ, for your reply and for that paper. I will have a look. It sounds comforting that I will not have to throw over board my belief in optional stopping altogether just yet ;)
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Hi EJ and Johnny, Thanks very much for your time! 1) "I do not like this procedure because it cherry-picks the highest-ranking model from a larger set, an action that should incur a penalty." / "The inclusion Bayes factor, which comp…
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Dear JASP experts, I have also been wondering what it means when inferences from NHST and Bayesian analysis differ. I do find this to be the case for repeated-measures ANOVA, particularly for higher-order interactions. (But also Wilcoxon signed-rank…
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Dear JASPers, I just read the paper by Keysers, Gazzola, and Wagenmakers (NN, 2020), which I had hoped would shed some more light on the issue of multiple comparisons in the context of the use of Bayes factors. Unfortunately, the article only briefl…
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Merci bcp! That is a nice introductory paper. Credible intervals seem like a good piece of information to have when assessing how badly Gaussianity is violated in Q-Q plots. In that paper for example, the red line is nowhere near the credible interv…
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Dear Johnny, That sounds very useful. I'm looking forward to it! Thanks for pointing me to the R code. I realized that extracting the residuals from a factorial design is anything but black magic. It just entails subtracting the cell means from each…
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Dear E.J., dear JASPers, OK, sounds great! From having a brief look at it, it seems that the proposed method would extend JASP in that it provides a test for checking assumption c) that I mentioned above. At present I'm checking this using Levene's …
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Dear E.J., Thanks for your time! True All in all: neither did I :) I just wanted to provide an example where the meaning of these error bars may be heIpful to decide between the two versions. In the end, I decided to leave them as they are. Especia…
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Hi, I'm just a JASP novice but I would suspect that the program does not use an analytical solution to calculate the posterior. Instead it perhaps approximates the posterior using sampling. This changes the results somewhat every time you run your a…
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Dear Johnny & EJ, I'm starting to make myself familiar with JASP and the BayesFactor package. What code would I use in R with the BayesFactor package to create the same QQ plot as is done in JASP? It would be really useful to get the R code th…
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Dear JASP/BayesFactor experts, I would like to switch from NHST and p values to Bayesian analysis and BFs. In this endeavour I encountered very similar questions like TooFred. I'm fairly new to JASP/BayesFactor. How do I test and possibly correct fo…