## Recently Published

##### Discussion Week5

Introduction to Probability: Continuous Density Functions exercise

##### DATA605 HW#5

Uniformly distributed random numbers

##### Matrix Representation

Discussion Week4: Compute the matrix representation of T relative to the bases B and C

##### DATA605 HW#4

Inverse of a Matrix & Single Value Decomposition

##### Eigenvalue/vector Example

Discussion Week3 for Eigenvalues & Eigenvetors

##### DATA605 HW #3

Eigenvalues & Eigenvectors

##### DATA605 HW#2

Trace, Determinant & Factorization

##### DATA605 HW#1

Vectors, Matrices & Systems of Equations

##### RPSLS Simulation

A simple python simulation of a game of chance

##### FEMA Disaster Declarations: visualization & polynomial regression

The FEMA Disaster Declaration Summary dataset holds a record for every declaration of natural emergency since the early 1950. This analysis tours the dataset and models the duration of declaration over the years.

##### COVID-19 Mortality in US Counties Presentation

Slides for project presentation

##### COVID-19 Mortality in US Counties

a look at COVID-19 deaths by county and comparison with mortality rates for other leading causes of death in the US

##### Tidyverse Extend

my extension of Nilsa Bermudez' assignment. Part of a group project to practice version control with group collaboration. Here, I just added some text and a brief chunk of code to use tidyr & dplyr methods

##### Recommender Systems Summary

A brief overview and UX glance at MovieLens

##### NLP of MLP: My Little Pony text mining

follows chapter2: Sentiment Analysis with Tidy Data in Text Mining with R using the My Little Pony transcript data set from kaggle.com. Here the nlp R libraries tidytext and syuzhet are used to weight positive and negative sentiments with respect to narrative duration and character.

##### purrr list filtering functions

Tidyverse vignette to demonstrate purrr list filtering function: pluck(), compact(), keep() & more

##### FEMA Disaster Declarations Project Proposal

Project proposal and preliminary descriptive stats for an analysis of turn-around time duration for different classifications of disasters.

##### NYTs' Best Selling Manga

R code to directly access information from the New York Times Books API, read in the JSON data to an R DataFrame, 'tidy' the data with tidyverse methods and visualize the results

##### Github Step-by-Step

fork a github repository, commit contributions & send a pull request

##### Scraping Reddit Comments

Some vary basic web scraping of reddit comments using the redditExtractoR library and text mining with the 'tm' library to create a wordcloud of most frequent words.

##### Alphabet Soup: HTML, XML & JSON in R

This demo will focus on reading and writing web data formats (.html, .xml & .json) in R. However, we will start by scraping data on several books from the MIT Press website.

##### Melting an R data.frame with dplyr & tidyr methods

This demo walks through reading & writing a .csv file before 'tidying' a dataset using methods from dplyr and tidyr libraries.

##### Video Games Sales 2019

Video Game Sales 2019 Dataset from Kaggle is tidied w/ dplyr & tidyr. ggplot is used to visualize the data

##### Chord Diagram Visualization of UN Migration Data

The UN International Migration Dataset is tidied w/ dplyr & tidyr. circlize is then used to visualize the data as a chord diagram

##### Tidying & Transforming Data

beginning with a small but really quite messy .csv file, use methods from tidyr & dplyr to clean the data and then perform some brief analysis & visualizations

##### Wrangling Text Data from a Chess Tournament

Given a text file with chess tournament results where the information has some structure, this R Markdown file generates a .CSV file that summarizes information from each player.

##### DATA607: R Character Manipulation

working with character strings and dates in R.

##### DATA607: SQL & R

loading information from a SQL database into an R dataframe

##### DATA607_Assigment1

Loading Data Into a Dataframe

##### DATA606_Lab1

Introduction to R and RStudio for DATA606 Spring Semester 2020

##### A Prussian Poisson Process

Demonstrating a Poisson distribution with a classic data set: the von Bortkeiwicz Prussian horse-kicking data

##### Week 2 Homework

This R markdown document completes the homework assignment for week 2 of the R Bridge tutorial for the MSDS2020 Winter Bridge program

##### Week1 Homework

This R markdown document completes the homework assignment for week 1 of the R Bridge tutorial for the MSDS2020 Winter Bridge program.