2021 – Page 3 – Quant Knot

LIS 4317 Data Visualization: Multivariate Analysis and the 5 Principles of Design

This week was multivariate analysis. Generally useful data has more than 2 variables and to find a useful pattern, many of those variables need to be plotted together in a two dimensional space. While we could go up to 3D, that is generally not recommended for a variety of reasons,…

By Simon Liles March 13, 2021LIS 4317 Data Visualization, School Work

LIS 4370 R Programming School Work

LIS 4370 R Programming: Input and Output

One of the most important aspects to any program is the ability to take in data, and after doing its process, saving the data. This is generally done through the input and output libraries of a programming language. In JAVA, it is done with the java.io library. In the R…

By Simon Liles March 7, 2021LIS 4370 R Programming, School Work

LIS 4317 Data Visualization School Work

LIS 4317 Data Visualization: Correlation Analysis

Correlation and Regression analysis are very powerful tools when exploring data. These two forms of analysis are very useful when it comes to process improvement, take the case of a plant that converts ammonia into nitric acid. After the ammonia has been oxidized, it is passed into an absorption tower…

By Simon Liles March 7, 2021LIS 4317 Data Visualization, School Work

LIS 4370 R Programming School Work

LIS 4370 R Programming: R Objects, S3 vs S4

This week was all about the Object Oriented side to R. To be honest, in the last 6 months that I have been working with the language, this is the first time that I have really gone into detail with R and Object Oriented Programming. I have used object oriented…

By Simon Liles February 27, 2021LIS 4370 R Programming, School Work

LIS 4317 Data Visualization School Work

LIS 4317 Data Visualization: Distribution Analysis

This week was about distribution analysis. This week I made the above figure using the iris dataset in R using ggplot2. You can find the code I used to make the plot on GitHub here, or follow the link at the bottom of this post. The dataset is the famous…

By Simon Liles February 27, 2021LIS 4317 Data Visualization, School Work

LIS 4317 Data Visualization School Work

LIS 4317 Data Visualization: Spotting Differences

For this week's visualization I used the default mtcars dataset that comes with R. This dataset was extracted from the 1974 Motor Trend US magazine. The dataset has 11 variables that include things such as horsepower, fuel efficiency, weight, etc. In total, there are 32 cars listed in this data…

By Simon Liles February 20, 2021LIS 4317 Data Visualization, School Work

LIS 4370 R Programming School Work

LIS 4370 R Programming: More Matrices!

Matrices and working with matrices can be fun. While a lot of data science could be done without doing crazy math with matrices, there is a lot of complex and interesting analysis that is difficult without the use of them. Thus it is good to get plenty of practice using…

By Simon Liles February 19, 2021LIS 4370 R Programming, School Work

LIS 4317 Data Visualization School Work

LIS 4317 Data Visualization: Part to Whole and Working with Plotly

This week I was given an excel spreadsheet of values and had to use Plotly to create a visualization of the data. The result I came up with is the above graphic. I plotted the data as time series data and shaded the area under the line to make it…

By Simon Liles February 14, 2021LIS 4317 Data Visualization, School Work

LIS 4370 R Programming School Work

LIS 4370 R Programming: Matrices

This week we reviewed matrices. To be honest, when I first started learning R, I thought that this data structure was not very useful, the data frame can be used for a lot more data. However recently in LIS 4761 Intro to Data and Text Mining, I have been learning…

By Simon Liles February 14, 2021LIS 4370 R Programming, School Work

Data Science Education

Advice for my Brother: How to think about Statistics

In the fall semester of 2020 I was well on my way through the Information Science and Data Science Program at the University of South Florida. At the same time my twin brother, Stuart, was also getting into some of the advanced classes of Mechanical Engineering, and had to take…

By Simon Liles February 9, 2021Data Science, Education