Posts Tagged ‘ R ’

Using Excel for Data Entry

March 28, 2018
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This article shows you how to enter data so that you can easily open in statistics packages such as R, SAS, SPSS, or jamovi (code or GUI steps below). Excel has some statistical analysis capabilities, but they often provide incorrect answers. For … Continue reading
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Use R to interface with SAS Cloud Analytics Services

March 6, 2018
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The R SWAT package (SAS Wrapper for Analytics Transfer) enables you to upload big data into an in-memory distributed environment to manage data and create predictive models using familiar R syntax. In the SAS Viya Integration with Open Source Languages...
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Gartner’s 2018 Take on Data Science Tools

February 26, 2018
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Gartner’s 2018 Take on Data Science Tools

I’ve just updated The Popularity of Data Science Software to reflect my take on Gartner’s 2018 report, Magic Quadrant for Data Science and Machine Learning Platforms. To save you the trouble of digging though all 40+ pages of my report, … Continue reading
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jamovi for R: Easy but Controversial

February 14, 2018
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jamovi for R: Easy but Controversial

jamovi is software that aims to simplify two aspects of using R. It offers a point-and-click graphical user interface (GUI). It also provides functions that combines the capabilities of many others, bringing a more SPSS- or SAS-like method of programming … Continue reading
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Type I error rates in two-sample t-test by simulation

January 28, 2018
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What do you do when analyzing data is fun, but you don't have any new data? You make it up.

This simulation tests the type I error rates of two-sample t-test in R and SAS. It demonstrates efficient methods for simulation, and it reminders the reader not to take the result of any single...
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Data Science Tool Market Share Leading Indicator: Scholarly Articles

June 19, 2017
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Data Science Tool Market Share Leading Indicator: Scholarly Articles

Below is the latest update to The Popularity of Data Science Software. It contains an analysis of the tools used in the most recent complete year of scholarly articles. The section is also integrated into the main paper itself. New … Continue reading
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Sample quantiles: A comparison of 9 definitions

May 24, 2017
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According to Hyndman and Fan ("Sample Quantiles in Statistical Packages," TAS, 1996), there are nine definitions of sample quantiles that commonly appear in statistical software packages. Hyndman and Fan identify three definitions that are based on rounding and six methods that are based on linear interpolation. This blog post shows

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Dueling Data Science Surveys: KDnuggets & Rexer Go Live

May 16, 2017
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What tools do we use most for data science, machine learning, or analytics? Python, R, SAS, KNIME, RapidMiner,…? How do we use them? We are about to find out as the two most popular surveys on data science tools have … Continue reading
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