1062 search results for "how to import image file to r"

PluginR v0.80 released & 2 new trainings in July 2013

June 4, 2013
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PluginR v0.80 released & 2 new trainings in July 2013

I'm pleased to announce that the new version 0.80 of PluginR has just been released (as usual, available as a Tiki Mod) with a few minor bugs fixed, and a couple of new interesting features added: PluginR now uses a caching mechanism extending the ...

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PluginR v0.80 released & 2 new trainings in July 2013

June 4, 2013
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PluginR v0.80 released & 2 new trainings in July 2013

I'm pleased to announce that the new version 0.80 of PluginR has just been released (as usual, available as a Tiki Mod) with a few minor bugs fixed, and a couple of new interesting features added: PluginR now uses a caching mechanism extending the ...

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A Few Tips for Writing an R Book

June 3, 2013
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A Few Tips for Writing an R Book

I just finished fixing (hopefully all) the problems in the knitr book returned from the copy editor. David Smith has kindly announced this book before I do. I do not have much to say about this book: almost everything in the book can be found in the on...

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Item Analysis App – Shiny Code

May 28, 2013
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Item Analysis App – Shiny Code

Here is the code for my first Shiny App! It is the one that I posted previously with a few slight revisions. You can see it at:A Shiny R AppIn order to make any sense of this I suggest you working through the tutorial (http://www.rstudio.com/shiny/) it...

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When Does the Kinetic Theory of Gases Fail? Examining its Postulates with Assistance from Simple Linear Regression in R

When Does the Kinetic Theory of Gases Fail?  Examining its Postulates with Assistance from Simple Linear Regression in R

Introduction The Ideal Gas Law, , is a very simple yet useful relationship that describes the behaviours of many gases pretty well in many situations.  It is “Ideal” because it makes some assumptions about gas particles that make the math and the physics easy to work with; in fact, the simplicity that arises from these

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Which Torontonians Want a Casino? Survey Analysis Part 2

May 17, 2013
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Which Torontonians Want a Casino?  Survey Analysis Part 2

In my last post I said that I would try to investigate the question of who actually does want a casino, and whether place of residence is a factor in where they want the casino to be built.  So, here … Continue reading →

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Social Network Analysis at New Frontiers in Computing 2013

May 16, 2013
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Social Network Analysis at New Frontiers in Computing 2013

by Joseph Rickert This past Saturday, the New Frontiers in Computing Conference (NFIC 2013), held at Stanford University, explored the theme: Social Network Analysis: It’s Who You Know. The speakers were a well-chosen, eclectic lot who covered a remarkable array of issues in less than a full day. Ian Hersey, former CTO of Attensity spoke on Lessons from Large-Scale...

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Forecast Update: Will 2014 be the Beginning of the End for SAS and SPSS?

May 14, 2013
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Forecast Update: Will 2014 be the Beginning of the End for SAS and SPSS?

I recently updated my plots of the data analysis tools used in academia in my ongoing article, The Popularity of Data Analysis Software. I repeat those here and update my previous forecast of data analysis software usage. Learning to use … Continue reading →

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Integration take two – Shiny application

May 13, 2013
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Integration take two – Shiny application

My last post discussed a technique for integrating functions in R using a Monte Carlo or randomization approach. The mc.int function (available here) estimated the area underneath a curve by multiplying the proportion of random points below the curve by the total area covered by points within the interval: The estimated integration (bottom plot) is

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Using Interactive D3.js charts from within Tiki with rNVD3

May 10, 2013
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Using Interactive D3.js charts from within Tiki with rNVD3

I've recently managed to reproduce my first charts using the nice package rNVD3 from Ramnath Vaidyanathan: https://github.com/ramnathv/rNVD3 This rNVD3 package uses NVD3, which provides re-usable charts with d3.js, without taking away the power that...

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