Explore and Predict Housing Sale Price in R

Real estate is a critical sector in our economy, so housing market predictions and forecasting are crucial to sales and development. Many factors influence housing prices, and the industry is connected to the financial system through collateral, loan securitization, and leverage. That is why forecasting real estate models should be extensively studied. Real estate has […]

Performance Measures of Customer Churn in a Logistic Regression Model

September 19, 2021 Customer churn is an important metric for service companies like telecommunications. Retaining customers is more cost-effective than acquiring new ones (Gallo, 2014). Therefore, a good predictive model can help organizations anticipate and prevent customer churn. In this project, five performance measures are calculated on the telecommunication company customer churn logistic regression model; […]

Counterfeiting Banknotes – Data Mining

August 7, 2022 Data mining is a complex topic that is often difficult to convey in layman’s terms. This is an in-depth research paper on mining a data set about banknotes to help determine if forgeries are present. The final result is that the data set accurately determines forgeries based on the details of the […]

Statistical Analysis of Telecommunications Churn with Income Prediction

June 12, 2022 This project will analyze the Telco_Extra.xls dataset to perform descriptive statistics on several variables including age, years at current address, gender, level of education, income, marital status, region, customer category (custcat), and churn. Statistical evaluations will investigate customer churn rates to help telecommunications companies better retain future customers. Churn rate is a […]

Stock Prices and Return Series for Google and Amazon

May 22, 2022 For this project, R statistical program is used to construct time series (line) plots for Google and Amazon stock prices and return series. Further, discussion of an appropriate test is performed to claim that Amazon has a higher mean return series than Google. Null and alternative hypotheses are provided, tests performed in […]

U.S./Euro Foreign Exchange Rate Graphical Summary and Hypothesis Testing

May 15, 2022 U.S./Euro foreign exchange rates between 01/01/2010 and 08/01/2018 were provided in a dataset. A graphical summary and hypothesis test were performed on this data to test a business analyst’s claim that the mean exchange rate is $1.25. Two main graphs helped best represent the data in this scenario: the scatter plot and […]

Business Intelligence/Business Analytics System Implementation

August 1, 2021 This was one of my early essays in management information systems.  I chose to evaluate a small web agency business.  According to the article, Business Intelligence vs. Business Analytics by Harvard Business Analytics Program (2018), business intelligence is “the use of data to manage day-to-day operational management within a business” (para. 3). […]

A Study of Profitability Ratios

December 5, 2021 Three things an organization needs to prove to investors, lenders, and shareholders are  1) profitability, 2) liquidity, and 3) solvency. We do these measurements with a series of ratios obtained through close analysis of the balance sheet and income statement. Each ratio tells a different part of the whole story. Analysts look […]