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8 results for “from:Patrick Coulombe”

creating dummy variables
Patrick Coulombe · Apr 20, 2013 · r-help

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structural equation models in R
Patrick Coulombe · Apr 6, 2014 · r-help

Hi Thanoon, Not sure how we can help when you ask such a vague, broad question. But in any case, I would recommend using the package "lavaan" in R. Look it up: http://lavaan.ugent.be/ Patrick 2014-04-06...

[R-jobs] PhD & post-doc positions available on Open source software evolution studies (incl. the R ecosystem)
Patrick Coulombe · Aug 28, 2013 · r-sig-jobs

I wouldn't overthink it... it looks like it's an English-as-second-language issue. These folks seemingly come from a French-speaking university, and in French the masculine form is used when referring to a group made up...

How can I extract part of the data with a selection criterion?
Patrick Coulombe · May 9, 2013 · r-help

Hi, Try ab[a==3,] You're selecting only rows for which a==3 (before the comma), and all columns (empty condition for column index, after the comma) Patrick 2013/5/9 jpm miao <miaojpm at gmail.com>: > Hi, > > As...

Regarding Modeling - Please! QUICK HELP
Patrick Coulombe · Apr 24, 2013 · r-help

Hi Andrew, I don't know the dataset at all (and you seem to assume that your readers will), but anyway: it looks like you're trying to do an intercept-only model. If that's the case, try: > logmod11...

Assigning a variable value based on multiple columns
Patrick Coulombe · Apr 24, 2013 · r-help

Hi Jason, I think that the easiest for you would be to keep your current elseif statements as is, but change your NA into something else (e.g., -999, or anything else). To do this in one line, you can...

Problems using lmer {lme4}
Patrick Coulombe · May 17, 2013 · r-help

Hi Andrea, I'm not exactly sure what you're trying to do, but you've included a random effect for a "site" coefficient that's not even in your list of fixed effects... you're basically allowing the coefficient...

Multilevel Modelling
Patrick Coulombe · Mar 28, 2014 · r-help

Have you tried running it using lmer() in lme4 instead, see if that helps? Patrick 2014-03-27 6:21 GMT-06:00 Laura Thomas <skagandbonegirl at hotmail.com>: > Hi All, > > I am using R for the purpose of multilevel...

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