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How to Keep Your R Code Simple While Tackling Big Datasets

R, TERR, Spark and Python are tools that benefit from larger systems. Software-Defined Servers enable data scientists to size their processing system to the size of a particular data problem. In this Data Science Central webinar you will learn how…
Feb 14
Tim Matteson posted a video

DSC Webinar Series: How to Keep Your R Code Simple While Tackling Big Datasets

R, TERR, Spark and Python are tools that benefit from larger systems. Software-Defined Servers enable data scientists to size their processing system to the size of a particular data problem. In this Data Science Central webinar you will learn how…
Feb 14
Tim Matteson posted a video

DSC Webinar Series: A Natural Language Processing (NLP) Approach to Data Exploration

What if you could directly ask questions of your data and the software could respond with a selection, filter, or new visualization? In this DSC webinar, the Tableau Research team explains natural language queries and how they are (already) helping…
Jan 31
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Dec 31, 2016
Venkatramana Narendra Kariyavala liked Tim Matteson's blog post 24 Data Science, R, Python, Excel, and Machine Learning Cheat Sheets
Dec 30, 2016
Tim Matteson's blog post was featured

Visualizations: Comparing Tableau, SPSS, R, Excel, Matlab, JS, Python, SAS

Here we ask you to identify which tool was used to produce the following 18 charts: 4 were done with R, 3 with SPSS, 5 with Excel, 2 with Tableau, 1 with Matlab, 1 with Python, 1 with SAS, and 1 with JavaScript. The solution, including for each chart a link to the webpage where it is explained in detail (many times with source code included) can be found here. You need to be a DSC member to access the…See More
Dec 27, 2016
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Dec 23, 2016
Ray Hall liked Tim Matteson's blog post Visualizations: Comparing Tableau, SPSS, R, Excel, Matlab, JS, Python, SAS
Dec 23, 2016
Michelle Homes commented on Tim Matteson's blog post Visualizations: Comparing Tableau, SPSS, R, Excel, Matlab, JS, Python, SAS
"And the very talented Robert Allison has reproduced all 18 graphs in SAS. Check them out and the associated code in his blog post http://blogs.sas.com/content/sastraining/2016/12/20/graphs-comparing-r-excel-tableau-spss-matlab-js-python-and-sas/"
Dec 20, 2016
Michelle Homes liked Tim Matteson's blog post Visualizations: Comparing Tableau, SPSS, R, Excel, Matlab, JS, Python, SAS
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Tim Matteson's Videos

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Tim Matteson's Blog

Impala vs Hive: Difference between Sql on Hadoop components

Posted on January 6, 2016 at 3:00pm 0 Comments

This article is no longer available. We apologize for the inconvenience. To read more about Impala versus Hive, click here for Impala, and click here for Hive.

Comprehensive guide for Data Exploration in R

Posted on July 28, 2015 at 5:30pm 0 Comments

This guide addresses the following questions, with sample source code:

  • How to load data file(s)?
  • How to convert a variable to different data type?
  • How to transpose a table?
  • How to sort Data?
  • How to create plots (Histogram, Scatter, Box Plot)?
  • How to generate frequency tables?
  • How to do sampling of Data set?
  • How to remove duplicate values of a variable?
  • How to group variables to calculate count, average,…
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24 Data Science, R, Python, Excel, and Machine Learning Cheat Sheets

Posted on July 28, 2015 at 12:00pm 4 Comments

Here's a good starting point. You can find many additional references here (Python, Excel, Spark, R, Deep Learning, AI, SQL, NoSQL, Graph Databses, Visualization, etc.) as well as here, here, and…

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At 4:12pm on January 9, 2012, Ralph Smith said…

Thanks Tim.

I followed up w/ two of the videos you had posted.  Thanks!


Ralph

 
 
 

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