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Aero - Data Analytics with code
Aviation Data Analysis with ARIMA Forecasting
ISYE 6414 - Regression
Variable Selection - Stepwise, Lasso, Ridge and Elastic Net
ISYE 6414 - Regression
GLM models: logistic regression
DG - Coding Exercise 2
Coding Exercise for job interview
DG - Coding Exercise 1
Coding exercise 1 for job interview
Capital Optimization - Data Staging from UI
Depreciation Groupings
Tax and Book Lives
ISYE 6501 Intro to Modeling HW10
Imputation Missing data using several methods
ISYE 6501 Intro to Modeling HW9
Factorial Design & Other distributions
ISYE 6501 Intro to Modeling HW8
Step wise, LASSO and Elastic Net
ISYE 6501 Intro to Modeling HW7
Decision Tree, Random Forest and Logistic Regression
ISYE 6501 Intro to Modeling HW6
PCA linear regression
ISYE 6501 Intro to Modeling HW5
Intro to Linear Regression Modeling
ISYE 6501 Intro to Modeling HW4
Holts-Winter Analysis
CUSUM Change Detection
Using R's CUSUM to detect change in cost structures
ISYE 6501 Intro to Modeling HW3
Outlier detection using various methods and Change Detection using CUSUM
ISYE 6501 Intro to Modeling HW2
Cross Validation and K means clustering
ISYE 6501 Intro to Modeling HW1
Classification Problem using KSVM and KKNN
DAT 612 - Final Project Proposal
Final Project Proposal - Recommender Systems
DAT 612 - Project 5
Spark Exercise
DAT 612 - Project 4
Evaluating Recommender Systems
DAT 612 - Discussion 4
Mitigating the Harm of Recommender Systems
DAT 612 - Discussion 3
Human Biases in Recommender Systems
DAT 612 - Project 2
Collaborative Filtering Methods: IBCF vs UBCF
DAT 612: Week 2 - Discussion 2
Music Recommendations at Scale with Spark - Christopher Johnson (Spotify)
DAT 612: Week 1 - Discussion of Attacks on Recommender Systems
Attacks on Recommender System
DAT 612: Week 1 - Discussion 1
Survey Review of a Non-personalized recommender system: Metacritics
DAT 612 - Project 1
Global Baseline Predictors and RMSE
DAT 605 - Finals Spring 2020
DAT 605 Computational Math Finals
DAT 605 - ASSIGNMENT 15
Multivariate Calculus
DAT 605 - ASSIGNMENT 14
Taylors Series Expanansion
DAT 605 - Discussion 12
Multiple Regression - Binary Term
DAT 605 - Discussion 12
Multiple Regression with quadratic term
DAT 605 - ASSIGNMENT 12
MULTIPLE LINEAR REGRESSION
DAT 605 - Discussion 11
Simple Linear Regression Exercise
Dat 605 - ASSIGNMENT 11
SIMPLE LINEAR REGRESSION EXERCISE
Payroll Forecasting - FP&A
Gross payroll forecasting using several time series techniques
DAT 605 - Discussion 10
Markov Chains
DAT 605 - ASSIGNMENT 9
Moment Generating Functions
DAT 605 - ASSIGNMENT 8
Week 8, Continous Distributions
DAT 605 - Discussion 7, Response to C Rosemond
Chap 5 Distributions and Densities Pg 222
DAT 605 - Discussion 6, 2nd post
Discrete distribution
DAT 605 - ASSIGNMENT 7
Discrete Distributions and more..
DAT 605 - Discussion 5 - Reply to James M.
Coin Toss exercise
DAT 605 - Discussion 7
Probabilities and combinations
DAT 605 - ASSIGNMENT 6
Combinatrix exercise
DAT 605 - ASSIGNMENT 5
Probability and Random Variable Exercise
DAT 605 - Discussion 5
Probability exercise using random generator in R
- Coin Tossing exercise
DAT 605 - ASSIGNMENT 4
SVD Decomposition Exercise
DAT 605 - ASSIGNMENT 3
Eigenvalues and Eigenvectors exercise with Ranking of matrices computation
DAT 605 - Discussion 3 Reply
EigenValues and EigenVectors Discussion Reply
DAT 605 - ASSIGNMENT 2
LU Decomposition Exercise
DAT 605 - Discussion 3
Eigen Value and Eigen Vectors of square 3x3 Matrix
DAT 605 - Discussion 2
Calculate Det of 3x3 Matrix by hand and in R
DAT 605 - ASSIGNMENT 1
MODULE 1: VECTORS AND MATRICES
MODULE 2: SOLVING LINEAR SYSTEM OF EQUATIONS
DAT 605
Week 1 Discussion
Data607Fall2019FinalProject
Final Project: Medicare Fraud Detection Tool
Data 606 Lab9
Multi Regression
Data 606 HW9
Multiple Regression & Logistic Regression
Data 606 Final Project
Statistical Analysis of New York Air Quality
Data 607 Final Project
Medicare Fraud Detection
Data 607 Assignement 12 - SQL vs NoSQL
CUNY SPS DATA-607 Week 12 Assignment: Migrating SQL database using R into MongodB
Data 606 Lab8
Intro to Linear Regression
Data 606 HW8
Chapter 8 - Introduction to Linear Regression
Data 607 - Tidyverse Exercise1
FALL2019TIDYVERSE
Discussion 11: Recommender Systems
Hulu's recommendation System
Data 607 Project 4
Text Classification - Hams or Spams
Data 606 Lab7
Inference for numerical data
Data 606 HW7
Chapter 7 - Inference for Numerical Data
Data 607 HW9
Web APIs - JSON file to Dataframe
Data 607 HW 7
Json Web APIs interface to Dataframe
Data 606 Lab6
Chapter 6 - Inference on CATEGORICAL DATA
Data 606 HW6
Inferences
Data Project 3c
Data Analysis and Visualizations - Word cloud and Frequency of Words
Data Project 3b
Data anlysis and visualizations
Project 606
Statistical Analysis of Ozone pollution in New York City.
Project 3
Web Scrapping code to get jobs from Monster.com
Data 607 HW 7
Web scrapping exercise: html, xml and Json files
Data 607 Project 2c
Are Millennial really Screwed?
Data 607 Project 2b
Data Wrangling using the reshape2 libraries : melt and dcast
Data 607 Project 2a
UN Migrant Studies from Discussion Week 5
Data 606 Lab5b
Foundations for statistical inference - Confidence intervals'
Data 606 Lab5a
Foundations for statistical inference - Sampling distributions
Data 606 HW5
Foundations of Inferences
Data 606 Lab4
Normal Distribution Exercise
Data 607 HW 4
Different Types of distributions (Binomial, Poisson)
Data 607 HW 5
Untidy data -> tidy data using dplyr and tidyr
Data 607 Project 1
Chess Tournament Project
Data 606 Lab3
Probability & Simulation
Data 606 HW3
Probability Distribution
Data 607 HW 3
RegEX exercise
Data 606 Lab1
"Introduction to R and RStudio" and maneuvering and manipulating data
Data 606 Lab2
Summarizing and manipulating Data Exercise
Data 606 HW2
Summarizing Data Exercises
Data 607 HW 2
SQL & R Excercise
Data 607 HW 1
Mushroom Data Analysis
Final Project
Statistical analysis of a Study of Human DNA score vs. Shifts towards left handness
Test Doc
First time publishing in RPub; a test doc