Tree Based Models Analysis

Evaluating Non-linear models in R

Evaluating regression methods that penalize correlation

Time series modeling for ATM withdrawals and Energy Usage

ARIMA homework for Predictive modeling

Exponential Smoothing Models of time series data

Preliminary analysis for Applied Predictive Modeling textbook

Basic Forecasting methods with FPP3

Practice exercises for decomposition of time series datasets

Initial Time Series Exploration with FPP3 on various tsibble datasets

Finalized HW1 modified for typos and grammatical errors

HW1 Submission Draft: Multiple Linear Regression analysis of team baseball performance

Taylor Series Expansion

Practicing calculus fundamentals in R

Multiple Linear Regression modeling

Applying a multiple linear regression model using dichotomous and interaction terms to test different model assumptions

Running SLR for the built-in R data set

Running SLR on a department of sanction dataset from OpenData NYC

Gambler's ruin and application of markov chain's for random walk problem

Central Limit Theorem Normal Approximation and Moment Generating Functions

Reviewing Chebyshev's inequality to approximate probability bounds for any distribution function of a random variable e>0

Probability Distributions Homework

Combinatorics chapter on permutations and combinations

Problems related to continuous/probability density functions

Calculating the eigenshoe of 17 shoe images

Immigration statistics scraped for US states to compare how employment is impacted.

The markdown uses Tidytext R package and documentation to demonstrate pre-trained sentiment models on Jane Austen novels as well as a Stanford movie review dataset

Discussion post for Data607 on Recommendation Systems

Basic exploration of Linear Regression models

Final Project Proposal: Regression analysis and statistical testing of graduate majors and their respective salaries

Basic Vignette explainers for tidy verse functions

Connecting to APIs: testing out R frameworks for connecting to NY Times book api

Working with web based file formats: XML, HTML, and JSON

The second project of the Data607 course

Cleaning and tidying a simple flight aggregation dataset

Txt file parsing for cleaning semi-structured data in a non-delimited file of chess tournament results

Displaying different tidy verse string manipulation functions and common regex patterns to identify and parse character text and vectors

Using dplyr and Rcpproll to calculate window functions for more complex calculations

Transformation of dataset from FiveThirtyEight article and published posted dataset

Final project for CUNY Bridge Course

Completed CUNY R Bridge homework assignment

Solutions for the R_BRIDGE Class for CUNY Master's of Data Science

Different preparation work for the first week of R Bridge Course