Blog Archives

R Articles at Simple Talk

October 28, 2015
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R Articles at Simple Talk

R Articles at Simple TalkTwo articles about R posted at the Simple Talk blog in the last few weeks:Visualizing Data with RSQL and R

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R Articles at Pluralsight

October 27, 2015
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R Articles at Pluralsight

R Articles at PluralsightThe first two articles in a series of posts on R for Business users are available at Pluralsight.R For Business Users Part 1: Importing DataR For Business Users Part 2: Data Cleaning 

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Reasons to Learn R

September 1, 2015
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Reasons to Learn R

A new blog post over at Pluralsight describes reasons R has been generating a great deal of interest in recent days:  http://blog.pluralsight.com/r-programming-language.

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R Graphical Systems

August 24, 2015
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R Graphical Systems

Just had an article published over at Simple Talk about the 3 R Major R Graphical Systems:https://www.simple-talk.com/content/article.aspx?article=2271

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R Oddities: Strings in DataFrames

July 29, 2015
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R Oddities:  Strings in DataFrames

Have you ever read a file into R and then encountered strange problems filtering and sorting because the strings were converted to factors?  For instance, you might think the two data frames, df and df2 below are contain the same data> df-data>> write.csv(df, 'df.csv')> df2-read>But look the dimensions are different> dim(df) 1 1> dim(df2) 1 2And...

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R Basics at Simple Talk

March 5, 2015
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R Basics at Simple Talk

News that Microsoft will acquire Revolution Analytics has raised interest about R among SQL Server and .NET developers and administrators.  Simple-Talk is an online technical journal and hub for a community of such users.  I just wrote a...

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R Open Source and Commercial Support

January 23, 2015
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R Open Source and Commercial Support

With today's announcement that Microsoft will acquire Revolution Analytics, it is worthwhile to consider the commercial support that has existed in different forms throughout the history of this open source language. R was based on S, which w...

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"RStudio:Get Started" Screencasts

January 9, 2015
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"RStudio:Get Started" Screencasts

I just wrapped up a course introducing R and RStudio with Pluralsight!  RStudio: Get Started covers  a range of topics on R itself and RStudio.  My fellow Pluralsight author Abhishek Kumar recently produced an introductory cour...

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Retrospective: Writing an O’Reilly Book

May 31, 2014
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Retrospective: Writing an O’Reilly Book

A number of people have asked me about the amount of time and effort involved in writing a book as I just completed one for O'Reilly (published in April and is available on Amazon).   The process at O'Reilly is unique in that a book is written and initially formatted on an application called...

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R and (Software) Relatives

February 18, 2014
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R and (Software) Relatives

Post also available with code executed inline at rpubs.com. O'Reilly recently published the results of a survey from attendees of the Strata Conference related to tool usage and salary.  The entire survey is available for download.  In the survey results, R was heralded as second only to SQL as a tool used by conference attendees.  An chart from the...

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