Exploratory Data Analysis (EDA) is an analysis approach that identifies general patterns in the data. These patterns include outliers and features of the data that might be unexpected. EDA is an ...

Qualitative data is descriptive information that focuses on concepts and characteristics, rather than numbers and statistics. The data cannot be counted, measured or expressed numerically. Researchers ...

Data modeling refers to the architecture that allows data analysis to use data in decision-making processes. A combined approach is needed to maximize data insights. While the terms data analysis and ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

This section is provided for users who are very comfortable with R and who wish to download scripts directly. For novice R users, please note that the web pages in the Helpful Links box have ...