#r data analysis

VISUAL rEPRESENTATION OF tEXT dAtA sETS uSING THE r TM AND WORDCLOUD pACKAGES: a bEGINNER’S gUIDE, pART oNE

Visual Representation of Text Data Sets Using the R tm and wordcloud Packages: Part One Douglas M. Wiig This paper is the next installment in series that examines the use of R scripts to present and analyze complex data sets using various types of visual representations. Previous papers have discussed data sets containing a small number of cases and many variable, and data sets with a large…

An R Tutorial: Visual Representation of Complex Multivariate Relationships Using the R ‘qgraph’ Package, Part Two

An R programming tutorial by D.M. Wiig

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qgraphpost3

R for Beginners: Some Simple Code to Produce Informative Graphs, Part One

A Tutorial by D. M. Wiig

The R programming language has a multitude of packages that can be used to display various types of graph. For a new user looking to display data in a meaningful way graphing functions can look very intimidating. When using a statistics package such as SPSS, Stata, Minitab or even some of the R Gui’s such R Commander sophisticated graphs can be produced but with a limited…

R For Beginners: Some Simple R Code to do Common Statistical Procedures, Part Two

An R tutorial by D. M. Wiig

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R For Beginners: Basic R Code for Common Statistical Procedures Part I

An R tutorial by D. M. Wiig

This section gives examples of code to perform some of the most common elementary statistical procedures. All code segments assume that the package ‘car’ has been loaded and the file ‘Freedman’ has been loaded as the active dataset. Use the menu from the R console to load the ’car’ dataset or use the following command line to access the CRAN site list and packages:

in…

R Video Tutorial: Basic R Code to Load a Data File and Produce a Histogram

R For Beginners:  Some Simple R Code to Load a Data File and Produce a Histogram

A tutorial by D. M. Wiig

I have found that a good method for learning how to write R code is to examine complete code segments written to perform specific tasks and to modify these procedures to fit your specific needs. Trying to master R code in the abstract by reading a book or manual can be informative but is more…

R For Beginners: A Video Tutorial on Installing and Using the Deducer Statistics Package

R For Beginners:  A Video Tutorial on Installing and Using the Deducer Statistics Package with the R Console

In previous tutorials I have discussed the use of R Commander and Deducer statistical packages that provide a menu based GUI for R.  In this video tutorial I will discuss downloading and installing the Deducer statistics package.  This video is designed to support my previous tutorial on…

R For Beginners: Installing the JGR GUI On a Linux Platform

A Tutorial by D. M. Wiig

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Watch for more tutorials discussing  R statistics on a Linux platform.