570 search results for "sql"

Save R plot as a BLOB

July 30, 2010
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I recently posed a question on stackoverflow on whether anyone knew an efficient way to save an R plot to a MySQL database as a BLOB. My plan was to use my personal desktop to perform R routines and save them to a web server, where they could then be accessed and displayed on

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Pie Charts in ggplot2

July 29, 2010
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Pie Charts in ggplot2

...and other isomorphic data shape presentations...The Pie Chart has been widely criticized in recent times by statisticians.  Edward Tufte goes as far as to call this the "prevailing orthodoxy."  The reasons generally cited:The rel...

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Hacker News User Base Changed?

July 26, 2010
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Hacker News User Base Changed?

There are lots of references on Hacker news to the fact that the "good old days" are gone and that the character of the site has changed since it started.  The visualization above was based on a sample of users that posted on the site in recent ti...

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Analyze Online R User Conference Data

July 19, 2010
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Analyze Online R User Conference Data

The R User Conference 2010 will be underway shortly - and what better way to commemorate the event than to  blast out some R code related to the conference?  HTML tables on websites for the past three years list participants an...

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In case you missed it: June Roundup

July 16, 2010
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Wow, is it the middle of July already? Anyway, in case you missed them, here are some articles from June of particular interest to R users. We noted that the program for the annual R user conference, useR! 2010, has been announced. (I and the rest of the Revolution team are looking forward to seeing all the R folks...

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Hierarchical Visualizations in R and the Javascript InfoVis Toolkit

July 12, 2010
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Hierarchical Visualizations in R and the Javascript InfoVis Toolkit

I love R.  It is really a great language and platform for statistical work and graphing.  But every technology has its limits - and other tools can be meet different needs.  So in this post, I will start with R and move on to the JavaScr...

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R and Oracle HR Part II – Plotting a single variable

July 9, 2010
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R and Oracle HR Part II – Plotting a single variable

If you have not done so already, make sure you have R and Oracle setup as described in the previous article.  If so, you should be able to create a connection from R and list the tables that are available in the HR schema.library('RODBC')ch <-o...

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R and Oracle HR Part I – Set Up and Connect

July 8, 2010
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R and Oracle HR Part I – Set Up and Connect

There has been recent interest in the attention that Oracle has been giving to R.  This has been related to the use of Oracle Data Mining which is a paid option to Oracle.  This is the first in a series of posts that can be run using the Orac...

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New versions of plyr, ggplot2 released

July 6, 2010
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Hadley Wickham has announced that new versions of his popular grammar-of-graphics charting package ggplot2 and his general-purpose data reshaping tool plyr for R are now available. plyr boasts several new features, most notably a new join function which should simplify what can sometimes be a difficult process in R: merging two data sets. A simplified SQL-like terminology should make...

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New versions for ggplot2 (0.8.8) and plyr (1.0) were released today

July 6, 2010
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New versions for ggplot2 (0.8.8) and plyr (1.0) were released today

As prolific as the CRAN website is of packages, there are several packages to R that succeeds in standing out for their wide spread use (and quality), Hadley Wickhams ggplot2 and plyr are two such packages. And today (through twitter) Hadley has updates the rest of us with the news: just released new versions of plyr and ggplot2. source...

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