1481 search results for "tutorial"

In case you missed it: December 2013 Roundup

January 17, 2014
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In case you missed them, here are some articles from December of particular interest to R users: A ComputerWorld tutorial on basic data processing with R. Prediction: R will replace legacy SAS solutions and go mainstream. A chart of the growth of R user groups and local R meetings. I discussed R, data science and big data in an...

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Why R is Better Than Excel for Fantasy Football (and most other) Data Analysis

January 13, 2014
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Many articles have been written on why R is better than Excel for data analysis.  In this post, I will summarize the reasons why R is advantageous in most data The post Why R is Better Than Excel for Fantasy Football (and most other) Data Analysis appeared first on Fantasy Football Analytics.

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garch models caught in the spotlight

January 13, 2014
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garch models caught in the spotlight

An attempt to clarify the basics. Previously There have been several posts about garch.  In particular: A practical introduction to garch modeling The components garch model in the rugarch package Genesis A reader emailed me because he was confused about the workings of garch in general, and simulation with the empirical distribution in particular. If … Continue reading...

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Quick guide to parallel R with snow

January 10, 2014
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Quick guide to parallel R with snow

Probably, the most common complains against R are related to its speed issues, especially when handling a high volume of information. This is, in principle, true, and relies partly on the fact that R does not run parallely…. unless you … Continue reading →

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Spatial clipping and aggregation in R

January 10, 2014
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Spatial clipping and aggregation in R

A common task in GIS is comparing the spatial extent of one layer with another. Say you have a load of points, some of which overlay a polygon layer. You are only interested in the points that intersect with the points. What do you do? Also, how can you aggregated-up the values contained in the points to correspond with the...

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Spatial clipping and aggregation in R

January 10, 2014
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Spatial clipping and aggregation in R

A common task in GIS is comparing the spatial extent of one layer with another. Say you have a load of points, some of which overlay a polygon layer. You are only interested in the points that intersect with the points. What do you do? Also, how can you aggregated-up the values contained in the points to correspond with the...

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Connecting TOAD For MySQL, MySQL Workbench, and R to Amazon AWS EC2 Using SSH Tunneling

January 7, 2014
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Connecting TOAD For MySQL, MySQL Workbench, and R to Amazon AWS EC2 Using SSH Tunneling

I often use Amazon EC2 to store and retrieve data when I need either additional storage or higher computing capacity.  In this tutorial I’ll share how to connect to a MySQL database so that one can retrieve the data and do the analysis.  I tend to use either TOAD for MySQL or MySQL Workbench to run

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From spreadsheet thinking to R thinking

January 7, 2014
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From spreadsheet thinking to R thinking

Towards the basic R mindset. Previously The post “A first step towards R from spreadsheets” provides an introduction to switching from spreadsheets to R.  It also includes a list of additional posts (like this one) on the transition. Add two columns Figure 1 shows some numbers in two columns and the start of adding those The post From...

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FuzzyNumbers_0.3-3 released

January 3, 2014
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A new release of the FuzzyNumbers package for R is now available on CRAN. The package provides S4 classes and methods to deal with Fuzzy Numbers that allow for computations of arithmetic operations, approximation by trapezoidal and piecewise linear FNs,…Read more ›

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News from PluginR & life after the accident

January 3, 2014
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News from PluginR & life after the accident

Hi: It's been a while since my last post, and many things happened in between: I had an accident last June that took me off from coding for a few months UseR!2013 was held in July Albacete, and I had to cancel my tutorial since I was still in hos...

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