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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 Repost

This is a repost of the original article that was posted as an embedded PDF file.

  Douglas M. Wiig April 8, 2018 Abstract This article is part of my series of articles exploring the use of R packages that allow for visualization of complex relationships among variables. Other articles have examined visual representations produced by the qgraphpackage in both large and small samples with more…

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

An R programming tutorial by D.M. Wiig

This post is contained in a .pdf document.  To access the document click on the green link shown below.

qgraphpost3

The R qgraph Package: Using R to Visualize Complex Relationships Among Variables in a Large Dataset, Part One

The R qgraph Package: Using R to Visualize Complex Relationships Among Variables in a Large Dataset, Part One

A Tutorial by D. M. Wiig, Professor of Political Science, Grand View University

In my most recent tutorials I have discussed the use of the tabplot()package to visualize multivariate mixed data types in large datasets. This type of table display is a handy way to identify possible…

R Tutorial: Visualizing Multivariate Relationships in Large Datasets

R Tutorial: Visualizing multivariate relationships in Large Datasets

A tutorial by D.M. Wiig

In two previous blog posts I discussed some techniques for visualizing relationships involving two or three variables and a large number of cases. In this tutorial I will extend that discussion to show some techniques that can be used on large datasets and complex multivariate relationships involving…

R For Beginners: Basic Graphics Code to Produce Informative Graphs, Part Two, Working With Big Data

R for beginners: Some basic graphics code to produce informative graphs, part two, working with big data

A tutorial by D. M. Wiig

In part one of this tutorial I discussed the use of R code to produce 3d scatterplots. This is a useful way to produce visual results of multi- variate linear regression models. While visual displays using scatterplots is a useful tool when using most datasets it…

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

This posting contains an embedded Word document. To view the document full screen click on the icon in the lower right hand corner of the embedded document.

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

This is an embedded Word document.  To view it full screen click on the icon in the lower right cornet of the document.

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

How to Install the Latest Version of R Statistics on Your Raspberry Pi

R for Beginners:  How to Install the Latest Version of R Statistics on Your Raspberry Pi

A tutorial by D. M. Wiig

One of the nice characteristics of open source software such as R is the rapid development of new releases and updates.  While the base core remains stable for a period of time there is a considerable amount of updating,  adding, and removing the component packages.  At the time of…

R For Beginners: Installing the latest version of R on a Linux platform

R for Beginners:  Installing the latest version of R on a Linux platform

A tutorial by D. M. Wiig

One of the nice characteristics of open source software such as R is the rapid development of new releases and updates.  While the base core remains stable for a period of time there is a considerable amount of updating,  adding, and removing the component packages.  At the time of this writing the…

R Video Tutorial For Beginners: Installing And Using the Rcommander GUI

R Video Tutorial For Beginners: Installing And Using the Rcommander GUI

A tutorial video by D. M. Wiig

In my recent series of tutorials for those interested in the R statistical programming language I have discussed both the installation and use of the R console and R Commander statistics GUI.  Click the icon in the lower left side of the screen to view the tutorial in full screen mode.

Relative…

R for beginners: Installing Deducer in the R Windows GUI

  R for beginners: Installing Deducer in the R Windows GUI

A tutorial by D.M. Wiig

This is posted as a Word document.  To view the post full screen click on the button in the lower right corner of this window.

More on this topic to be…

R for Beginners: Using R Commander in an Introductory Statistics Course

R for beginners:  Using R Commander in introductory statistics courses

A tutorial by D. M. Wiig

As with previous tutorials in this series this document is an embedded Word documents.  To view the document full screen click on the icon…