647 search results for "sql"

Fearsome Engines Part 3: Which one should you use?

October 13, 2013
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Fearsome Engines Part 3: Which one should you use?

There are lots of R engines emerging! I’ve interviewed members of each of the teams involved in these projects. In part 1 of this series, we covered the motivation of each project. Part 2 looked at the technical achievements and new features. This part tries to determine which projects are suitable for which users. Compatibility

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Nice tutorials to discover R

September 28, 2013
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A series of tutorials, in R, by Anthony Damico. As claimed on http://twotorials.com/, “how to do stuff in r. two minutes or less, for those of us who prefer to learn by watching and listening“. So far, 000 what is r? the lingua statistica, s’il vous plaît 001 how to download and install r 002 simple shortcuts for the windows r...

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Introducing imagemetrics

September 25, 2013
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Introducing imagemetrics

References In my recent projects, I had the opportunity to work with the professor Raphaël Proulx who introduced me to several metrics commonly used in landscape ecology for quantifying image texture. In order to make my life easier, I decided to implement...

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analyze the home mortgage disclosure act (hmda) microdata with r and monetdb

September 23, 2013
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back in 1975, congress had it up to here with discriminatory lending practices and decided to require financial organizations originating home mortgages to report some basic operational statistics publicly.  the home mortgage disclosure act mandat...

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analyze the survey of business owners (sbo) with r

September 9, 2013
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each year ending in a two or a seven, census bureau employees stow away their eponymous decennial population count to focus on the economic census.  and when charged with gauging the health of the american economy, who better to survey than busine...

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Fearsome Engines, Part 1

September 7, 2013
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Fearsome Engines, Part 1

Back in June I discovered pqR, Radford Neal’s fork of R designed to improve performance. Then in July, I heard about Tibco’s TERR, a C++ rewrite of the R engine suitable for the enterprise. At this point it dawned on me that R might end up like SQL, with many different implementations of a common

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Running R inside SAP HANA Studio

September 6, 2013
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Running R inside SAP HANA Studio

*DANGER* This is just a silly blog and shouldn't be taken any seriously.*DANGER*Ok...you may wonder...why is Blag writing a silly blog? Well...I'm a Developer Evangelist...and it's my job to keep developers entertained  Also...I have so free time ...

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analyze the national longitudinal study of adolescent health (addhealth) with r

August 26, 2013
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the national longitudinal survey of adolescent health (addhealth) is to the health and retirement study what teen people is to aarp magazine.  both surveys have followed a cohort of respondents for almost twenty years now, asking them health behav...

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Forecasting with Neural Network (using SAP HANA and R)

Forecasting with Neural Network (using SAP HANA and R)

Usually...when I use R...I try to use it with SAP HANA as well...and the most simple way to make them work is for sure an ODBC connection....fast and simple...First, I went to my SAP HANA Studio to get the query...which is basically...get all the seats...

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Downloading and Analyzing CD1025′s Playlist

August 20, 2013
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Downloading and Analyzing CD1025′s Playlist

CD1025 is an “alternative” radio station here in Columbus. They are one of the few remaining radio stations that are independently owned and they take great pride in it. For data nerds like me, they also put a real time list of recently played songs on their website. The page has the most recent 50 songs played,...

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