Posts Tagged ‘ rstats ’

What is the optimal strategy to marry the best one ?

February 13, 2011
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What is the optimal strategy to marry the best one ?

Valentine's day is a nice opportunity to post on hot and sexy topics... Well, it's also an important day that I should not miss, probably as much as Saint Patrick's my wife's birthday. And as I mentioned last week (here), it is difficult to get the...

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When will my papers appear as references (if they do…) ?

February 10, 2011
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When will my papers appear as references (if they do…) ?

Following my post on citations in academic journals, I wanted to go one step further in the understanding of the dynamic of citations. So here, the dataset looks like that: for each article, we have the name of the journal, the year of publicatio...

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Think academic journals look the same ? Well, some do…

February 8, 2011
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Think academic journals look the same ? Well, some do…

We have seen yesterday that finding an optimal strategy to publish is not that simple. And actually, it can be even more difficult in the case the journal rejects the paper (not because it is not correct, but because "it does not fit" with the stan...

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Open data might be a false good opportunity…

February 7, 2011
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Open data might be a false good opportunity…

I am always surprised to see many people on Twitter tweeting about #opendata, e.g. @data4all, @usdatagov, @datapublicatwit, @ProPublica or @open3 among so many others... Initially, I was also very enthousiastic, but I have to admit that open data a...

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Will I ever be a bayesian statistician ? (part 1)

January 20, 2011
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Will I ever be a bayesian statistician ? (part 1)

Last week, during the workshop on Statistical Methods for Meteorology and Climate Change (here), I discovered how powerful bayesian techniques could be, and that there were more and more bayesian statisticians. So, if I was to fully understand app...

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Parsing and plotting time series data

January 15, 2011
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Parsing and plotting time series data

This morning I came across a post which discusses the differences between scala, ruby and python when trying to analyse time series data. Essentially, there is a text file consisting of times in the format HH:MM and we want to get an idea of its distribution. Tom discusses how this would be a bit clunky

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Warming in Paris: minimas versus maximas ?

January 14, 2011
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Warming in Paris: minimas versus maximas ?

Recently, I received comments (here and on Twitter) about my previous graphs on the temperature in Paris. I mentioned in a comment (there) that studying extremas (and more generally quantiles or interquantile evolution) is not the same as studying ...

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More climate extremes, or simply global warming ?

January 12, 2011
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More climate extremes, or simply global warming ?

In the paper on the heat wave in Paris (mentioned here) I discussed changes in the distribution of temperature (and autocorrelation of the time series).During the workshop on Statistical Methods for Meteorology and Climate Change today (here) I o...

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Maps with R, part… n+1

January 11, 2011
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Maps with R, part… n+1

Following the idea posted on James Cheshire's blog (here), I have tried to play a little bit with R and Google. And it works ! Consider for instance life expectancy at birth (that can be found - and downloaded - here). Using the following code, it ...

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Cursed numbers ?

January 11, 2011
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Cursed numbers ?

In Lost, Hugo “Hurley” Reyes played the numbers 4, 8, 15, 16, 23 and 42 at the lottery, and ended up winning the $114-million jackpot. And over the ensuing weeks, everyone around him seems to suffer increasingly bad luck: Hurley’s grandfathe...

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