Publications by Johnny Rodriguez
NYT API
###Introduction - New York Times API For this assignment, I enabled the Books, Movies and top stories NYT API to explore data. To prepare for this, I created an account and generated an authorization key to be able to request data from NYT servers. Loading Libraries The library to read and load the NYT API data, in JSON format, is jsonlite. Once...
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Data 606 Project
Data Preparation & Description The dataset consists of IT support tickets for a small liberal arts college in NYC. The IT support tickets encompass technical, computer, software and access issues for students, faculty and staff for the full year 2021 through Nov 4, 2021. This covers one full academic year Aug 2021 - June 2022 (fall and spring). C...
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Tidy Text
Environment Setup Loads the initial libraries #Install & load the necessary libraries. #install.packages("textdata") #install.packages("tidytext") library(tidytext) library(ggplot2) #Intall the Sentiment Lexicons get_sentiments("afinn") ## # A tibble: 2,477 × 2 ## word value ## <chr> <dbl> ## 1 abandon -2 ## 2 abandoned...
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Reddit Recommender
Recommender Assignment Perform a Scenario Design analysis as described below. Consider whether it makes sense for your selected recommender system to perform scenario design twice, once for the organization (e.g. Amazon.com) and once for the organization’s customers. Attempt to reverse engineer what you can about the site, from the site inter...
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In Context
2022-11-19 Applied Sentiment Analysis: IT Support Tickets We’ll explore sentiment analysis for a 2022 IT Service Desk data set containing 6900 IT support tickets/requests. …And my real-world attempt to address a critical function of that IT Service Desk. Background and Context I am the manager for IT support services team for faculty, staff ...
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Fuel Consumption Cost Difference in EV, GAS and Hybrid Vehicles
Project Summary The team will analyze fuel consumption differences between electric (EV), gasoline and plug in hybrid electric (PHEV) vehicles. Specifically, we will address the question - What are the costs and features for Electric (EV) and Plugin Electric Hybrid (PHEV) vehicles versus gas vehicles that contribute to fuel efficiency? We’ll an...
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Classification Of Spam & Ham
Introduction - Spam & Ham Classification using Random Forest This analysis creates a classification for spam and ham using Random Forest. The code was based on a code referenced in https://kharshit.github.io/blog/2017/08/25/email-spam-filtering-text-analysis-in-r. After the initial analysis, I was interested in testing whether random forest accur...
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Multiple Regression: Analysis for IT Support Tickets Data Set
2022-12-07 Abstract I will be exploring an IT support data set to determine if the age of an IT support interaction (i.e., the length of time it takes to resolve a ticket), the number of words exchanged between IT support staff and the customer (i.e., the length of conversations measured in number of words), the number of unique update event (i....
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