Data Science – Quant Knot

Mining for YouTube Sailing Channels

Recently my Dad came to me with a question about getting data on the Sailing Channels on YouTube. The number of sailing focused YouTube channels is estimated to be anywhere from 500 to about 1000 active channels. The data mining that I will perform in the following sections will only…

By Simon Liles May 22, 2022Data Science, Sailing

LIS 4317 Data Visualization School Work

LIS 4317 Data Visualization: Visualizing COVID-19 Gene Sequencing Contributions

The Problem As the COVID-19 pandemic has raged, researchers have been working to track the virus and monitor its evolution. We have seen in the news a lot of discussion regarding South African, UK, and other variants of the virus. However, it is difficult to assume there is a consistent…

By Simon Liles April 25, 2021LIS 4317 Data Visualization, 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

LIS 4370 R Programming School Work

LIS 4370 R Programming: Data Frames in R

This week I learned more about data frames in R. For this post I was given hypothetical sample election polling data. The data was originally in vectors, so I have kept it in that way. For this assignment I created an R Script which you can find on my GitHub…

By Simon Liles January 31, 2021LIS 4370 R Programming, School Work

LIS 4273 Adv Statistics School Work

LIS 4273 Final Project: Increasing Precision of Earthquake Monitoring Data

Despite being an everyday occurrence for some parts of the world, earthquakes can be highly destructive forces, and even more so in coastal areas due to the additional risk of tsunami. While the time is still unpredictable, the size of the wave can be predicted as soon as the magnitude…

By Simon Liles December 10, 2020LIS 4273 Adv Statistics, School Work

LIS 4273 Adv Statistics School Work

LIS 4273 Adv Statistics: Module 12 Time Series

This week I work with Time Series objects in R and make use of Holt-Winters Forecasting and exponential smoothing to find the trend in seemingly random data. For this I created an R script which you can find on my GitHub here, or with the link at the bottom of…

By Simon Liles November 13, 2020LIS 4273 Adv Statistics, School Work

LIS 4273 Adv Statistics School Work

LIS 4273 Adv Statistics: Module 11 Chi Square Tests and Visualization in R

In this post I go over data analysis using chi-tests and data visualization techniques. For the R code I use, you can find it on my GitHub here, or follow the link at the bottom. The following table is real data collected from a hotel quest satisfaction study. The hotels…

By Simon Liles November 9, 2020LIS 4273 Adv Statistics, School Work

LIS 4273 Adv Statistics School Work

LIS 4273 Adv Statistics: Module 10 ANOVA Testing

This week focused on Analysis of Variance (ANOVA) testing, which is a test that can be used for data with 2 or more groups and can reduce Type I errors. To perform the analysis in this post I wrote an R script to speed up the process. The code is…

By Simon Liles November 1, 2020LIS 4273 Adv Statistics, School Work

LIS 4273 Adv Statistics School Work

LIS 4273 Adv Statistics: Module 9 T-Test for Independent Samples

The data is from a study whose research hypothesis was: “There will be a difference between boys and girls in the number of times they raise their hand in class.” For the purposes of this study, boys were coded as 2 on gender; girls were coded as 1. I wrote some…

By Simon Liles October 25, 2020LIS 4273 Adv Statistics, School Work

LIS 4273 Adv Statistics School Work

LIS 4273 Adv Statistics: Module 8 Hypothesis Testing and Correlation Analysis

First Question:The director of manufacturing at a cookies needs to determine whether a new machine is production a particular type of cookies according to the manufacturer's specifications, which indicate that cookies should have a mean of 70 and standard deviation of 3.5 pounds. A sample pf 49 of cookies reveals…

By Simon Liles October 18, 2020LIS 4273 Adv Statistics, School Work