3620 search results for "gis"

Learn about R through data mining

February 5, 2013
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Learn about R through data mining

If you're in San Francisco for this week's DeveloperWeek conference, our own Joe Rickert will also giving a presentation on Wednesday at 2:10PM on Predictive Modeling with Big Data in R which will feature several demos of data mining massive data sets using the Revolution R Enterprise. Incidentally, the whole team Revolution Analytics was proud to receive the Top...

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Relearn boxplot and label the outliers

February 5, 2013
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Relearn boxplot and label the outliers

Despite the fact that box plot is used almost every where and taught at undergraduate statistic classes, I recently had to re-learn the box plot in order to know how to label the outliers.This stackoverflow post was where I found how...

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New Rcpp page on upcoming events — including Master Class in New York

February 5, 2013
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Lots of exciting things are happening with and around Rcpp. I just added a new page about Upcoming Events to the recently-created Rcpp site. This events page has lots to cover: an upcoming talk at Columbia on March 8 (details still TBD), a day-lon...

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MCMSki IV, Jan. 6-8 (9?), 2014, Chamonix (news #3)

February 5, 2013
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MCMSki IV, Jan. 6-8 (9?), 2014, Chamonix (news #3)

In case you have not been constantly tracking the changes on the MCMSki IV webpage, here are some news: the number of invited and accepted contributed sessions in the program had considerably increased, to the point of almost filling two parallel sessions for the whole duration of the meeting. This includes an exciting round-table on

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Proposed techniques for communicating the amount of information contained in a statistical result

February 5, 2013
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Proposed techniques for communicating the amount of information contained in a statistical result

A couple of weeks ago, I posted about how much we can expect to learn about the state of the world on the basis of a statistical significance test. One way of framing this question is: if we’re trying to come to scientific conclusions on the basis of statistical results, how much can we update

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Generating Labels for Supervised Text Classification using CAT and R

February 4, 2013
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Generating Labels for Supervised Text Classification using CAT and R

The explosion in the availability of text has opened new opportunities to exploit text as data for research. As Justin Grimmer and Brandon Stewart discuss in the above paper, there are a number of approaches to reducing human text to … Continue reading →

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Japanese Government Bonds (JGB) Total Return Series

February 3, 2013
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Japanese Government Bonds (JGB) Total Return Series

In a follow up to Yen and JGBs Short-Term vs Long Term and a series of posts on Japan, I thought the Bloomberg article "Japan Pension Fund’s Bonds Too Many If Abe Succeeds, Mitani Says" was particularly interesting.  It is difficult to find a to...

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A package for agricultural statistic: FAOSTAT

February 3, 2013
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After 8 years of using R, today I finally become a contributor to the community and released my first package, FAOSTAT.The package is designed to provide user with direct access to the FAOSTAT data base via R and to support the...

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Maize trade Part II: Comparison and analysis

February 3, 2013
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Maize trade Part II: Comparison and analysis

Following my last post about the maize network, although interesting but is not very informative. What we are going to do today is to contrast the maize network with the wine trade network.The choice why we have chose wine will become clear after the...

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Yen and JGBs Short-Term vs Long Term

February 1, 2013
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Yen and JGBs Short-Term vs Long Term

I have read some articles arguing that the recent move in the Japanese Yen is overdone.  However, considering the short-term without regard to the long-term context is naïve and potentially dangerous.  Although I do not have significant proo...

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