Blog Archives

Data Manipulation in R: Beyond SQL

January 19, 2016
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Data Manipulation in R: Beyond SQL

As a follow up to an article on using SQL in R, I just had an new article published at Simple Talk that considers ways to manipulate data in R that are cumbersome in SQL as well as ways to replace SQL statements with functional equivalents.

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R / Shiny Poll Results

December 28, 2015
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R / Shiny Poll Results

A few days ago I posted a poll directed towards R (and Shiny Users).  Thank you to all who participated for your time and thoughtful responses.  A RMarkdown Report (Code on Github) highlights the results to the easy-to-summarize que...

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R / Shiny User Survey

December 16, 2015
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R / Shiny User Survey

I have been using R for a few years and have been amazed at the variety of people who use the language.  R has an unusually diverse and creative community.   If you are an R user, I would really like to learn a bit more about how you use R an...

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Blog Post at Pluralsight

November 13, 2015
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Blog Post at Pluralsight

Final post in the three part series is now up at Pluralsight.  The series is geared towards business users so if you have some friends that you are encouraging to set aside their spreadsheets and take R for a spin - send them this way!http://blog....

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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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