R Tutorials

In this R tutorial, we will determine the most common Halloween costumes names by using a list of over 5000 Halloween costumes submitted by people.  The costumes will be classified by text analysis and visualize the common names using Wordcloud. Cleaning the Halloween Costume Names Below are sample outputs that are used…

In this R Tutorial, we will complete data analysis and data visualization with ggplot, maps and mapdata of Florida shark attacks from 1882 until July 28, 2018.  The shark attack data will be analyzed based on total occurrences in the state of Florida and will graphically be displayed using maps…

In this R tutorial, we will be analyzing and visualizing medical care expenses. For this tutorial, we will be using the lm() package to fit a linear regressional model to data in R. Health insurance companies must make money to stay afloat. In order to do so, it must collect more in yearly…

In this R tutorial, we will be estimating the quality of wines with regression trees and model trees. Machine learning has been used to discover key differences in the chemical composition of wines from different regions or to identify the chemical factors that lead a wine to taste sweeter. In…

In this R Tutorial, we will complete data analysis of confirmed unprovoked global shark attacks from 1580 until July 26, 2018.  The shark attack data will be analyzed based on total occurrences in each location and will graphically be displayed. Also, below are the libraries that we will need to…