263 search results for "pCA"

What is ordisurf() doing…?

June 10, 2011
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What is ordisurf() doing…?

I’m writing this post for two reasons: i) someone searched on Google for the term “what is ordisurf doing” and ended up on my blog, and ii) because I have been on the receiving end of reviewers comments on a … Continue reading →

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What is ordisurf() doing…?

June 10, 2011
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What is ordisurf() doing…?

I’m writing this post for two reasons: i) someone searched on Google for the term ‘what is ordisurf doing’ and ended up on my blog, and ii) because I have been on the receiving end of reviewers comments on a paper I co-authored where they didn’t know what ordisurf() was doing either! It is hardly surprising that people who...

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New version of analogue (0.7-0)

June 1, 2011
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New version of analogue (0.7-0)

Last week I pushed an update of my analogue package to CRAN. The last release (0.6-23) was on CRAN sometime in Mar 2010 so an update was well overdue. This (0.7-0) is a major update to analogue containing lots of … Continue reading →

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New version of analogue (0.7-0)

June 1, 2011
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Last week I pushed an update of my analogue package to CRAN. The last release (0.6-23) was on CRAN sometime in Mar 2010 so an update was well overdue.

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Sweave and pgfSweave in LyX 2.0.x (experimental)

May 25, 2011
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bout half a year ago, I wrote a post on the configuration of (pgf)Sweave and LyX, which was intended to save us some efforts in going through all the details during the configuration. Now many things have changed: LyX 2.0 has internal support for Sweave, and fortunately I have been in touch with the developers

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Eigen-who? How Can I Write About Eigen-anything and Expect You to Read?

May 25, 2011
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Eigen-who? How Can I Write About Eigen-anything and Expect You to Read?

After the very nice Convore reply @timelyportfolio some of your posts include "eigenvalue ratio plots" -- kindly tell us what they show and how they might be useful in constructing a portfolio. I felt like I should at least attempt to offer a little m...

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Publishing in Veterinary Academic Journals

May 10, 2011
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Publishing in Veterinary Academic Journals

Following the post by Arthur Charpentier (Freakonometrics), I wondered what would be the outcome considering my current engagement (veterinary medicine, epidemiology, bovine mastitis). Briefly, Arthur Charpentier’s post looked at clusters of journals publishing the same kind of papers. So I looked at 25 journals (Journal of Dairy Science, Canadian Journal of Veterinary Medicine, Preventive Veterinary

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Late to the party for R in Finance blogging

May 10, 2011
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Late to the party for R in Finance blogging

I meant to blog about the R/Finance conference during a lull, but I didn’t find too many. Unlike many conferences I’ve been to the structure of R/Finance was simple: one room and one speaker at a time. Relying on each … Continue reading →

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sab-R-metrics: Logistic Regression

May 5, 2011
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sab-R-metrics: Logistic Regression

It's been a while since my last sab-R-metrics post, and I have not gotten to the real fun stuff yet. I apologize for the long layoff, and it's likely that these will be sparse for the next couple weeks. I have had some consulting opportunities come u...

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sab-R-metrics: Logistic Regression

May 5, 2011
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sab-R-metrics: Logistic Regression

It's been a while since my last sab-R-metrics post, and I have not gotten to the real fun stuff yet. I apologize for the long layoff, and it's likely that these will be sparse for the next couple weeks. I have had some consulting opportunities come u...

Read more »