# Stéphane Laurent

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PhD in theoretical probability. Author of a few papers in probability and statistics. Currently work as a statistical consultant.

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 Dec2 comment What is the relationship between profile likelihood and confidence intervals? What does it mean: "1/20 max-likelihood intervals" ? Does that mean the interval supports 95% of the area defined by the curve ? Dec2 comment Simple linear regression: confidence interval? The intercept $3.2$ is assumed to be known ? Dec2 comment What is the relationship between profile likelihood and confidence intervals? @Elvis Neither do I understand. A confidence interval based on the profile likelihood should be constructed with the help of the $\chi^2$ percentiles, which appear nowhere. Nov30 comment What's wrong with XKCD's Frequentists vs. Bayesians comic? No, I have understand your comment. The French Google translation of your comment is already strange, but by combining my skills in English and the strange Google translations, I'm able to get a correct translation. I will be more relax next month, likely. Nov30 comment What's wrong with XKCD's Frequentists vs. Bayesians comic? @whuber The real question you mention is the one I've adressed : integrating prior knowledge is somewhat equivalent to integrating additional data. Your comment is about the iid assumption which is obviously stupid here, or your comment is about the possibility of rare events, or something like that. I didn't feel attacked cause of this comment but because of a combination of several comments. I'm sorry if my perception was wrong, maybe I'm too stressed these days. When applying Google Translate to your comment I discovered your story of turkeys and I wondered whether this was mocking humor. Nov30 comment What's wrong with XKCD's Frequentists vs. Bayesians comic? @whuber I would have preferred to send you this message privately. Is there a connection between your comment and the topic of discussion? I do not know if it's me that makes me ideas, but it's been several times that I feel that you comment on my answers mainly to say something against my answers. The exercise posed by the OP is the interpretation of a cartoon, and I feel that you criticize my answer as if I were talking about a real issue. Recently I did not appreciate and I still have not understood why you evoked a likely "intent" behind my answers. Nov30 revised What's wrong with XKCD's Frequentists vs. Bayesians comic? added 99 characters in body Nov30 comment What's wrong with XKCD's Frequentists vs. Bayesians comic? What about the same questions with $n=2$ and two Yes outputs ? Nov30 answered What's wrong with XKCD's Frequentists vs. Bayesians comic? Nov29 comment Show there's a disjoint partition over the sample space @whuber In this case, the question should be tagged Analysis, not Probability. There's no intention behind my reply, what do you mean ? I originally am probabilist and this was my natural reaction. Moreover the only thing I "change" is that I consider the equality at the end of the question as an almost sure equality. Anyway I don't know the definition of the user, so it was clumsy of me to write I guess your definition... Nov29 comment Show there's a disjoint partition over the sample space @whuber Yes, you're right in some sense. But there's $P$ in the statement of the problem, so I consider that we consider random variables. From your point of view, $P$ plays no role. Nov29 answered Show there's a disjoint partition over the sample space Nov29 answered Finding the mean of a Gaussian distributed random variable given the variance Nov29 comment I want to calculate $\int B(t)^2 dB(t)$ where $B(t)$ is Brownian motion And what is $T$ ? Nov28 answered What is the mathematical difference between random- and fixed-effects? Nov28 comment Estimating the parameter of a uniform distribution: improper prior? Thank you @whuber for enriching my culture. Anyway I do not judge the author of these slides. Slides are just a support for a talk, and we do not know the intention of the author. Nov21 revised Why is RSS distributed chi square times n-p? added 487 characters in body Nov21 revised Strange linearity test for ANCOVA added 191 characters in body Nov21 accepted Strange linearity test for ANCOVA Nov21 answered Strange linearity test for ANCOVA