Posts Tagged ‘ rstats ’

Playing with quantiles, part 2

March 8, 2011
By
Playing with quantiles, part 2

It is common to look at best time at the Marathon. Or perhaps the distribution of the top100, as done by John Myles White on his blog here (data can be found there), as the graph below, with the density of the time for the first 100 men (in blue) a...

Read more »

A Million Random Digits: review of reviews

March 4, 2011
By
A Million Random Digits: review of reviews

Recently on his blog (here), Robin mentioned an amazing book, called "A Million Random Digits" published by RAND corporation. The book was initially published in 1955, but RAND published a nice (and expensive) second edition. A great thing is that ...

Read more »

when Nuns or Hells Angels get in a plane

February 24, 2011
By
when Nuns or Hells Angels get in a plane

Today, at lunch, Matthieu told us a nice story (or call it a paradox if you like) about the probability to find you seat empty when you get in a place.  a plane full of nuns Assume that you are in the line to get in the airplane, you are the ...

Read more »

Does the Student based confidence interval have any interest in practice ?

February 20, 2011
By
Does the Student based confidence interval have any interest in practice ?

Friday in the course of statistics, we started the section on confidence interval, and like always, I got a bit confused with the degrees of freedom of the Student (should it be or ?) and which empirical variance (should we consider the one wher...

Read more »

What is the optimal strategy to marry the best one ?

February 13, 2011
By
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...

Read more »

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

February 10, 2011
By
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...

Read more »

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

February 8, 2011
By
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...

Read more »

Open data might be a false good opportunity…

February 7, 2011
By
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...

Read more »

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

January 20, 2011
By
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...

Read more »

Parsing and plotting time series data

January 15, 2011
By
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

Read more »

Sponsors

Mango solutions



plotly webpage

dominolab webpage



Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training

datasociety

http://www.eoda.de





ODSC

ODSC

CRC R books series





Six Sigma Online Training









Contact us if you wish to help support R-bloggers, and place your banner here.

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)