Correlation Analysis refers to the process of examining relationships between two or more variables to determine how changes in one are associated with changes in another. The skill is used to identify patterns, measure the strength and direction of associations, and compare data sets in research and business settings. In applied work, correlation analysis supports evidence based assessment, trend evaluation, and the prioritization of further investigation.

Public Health Informatics refers to the systematic application of information and computer science to public health practice, research, and learning. This skill involves the collection, analysis, and dissemination of health data to inform decision-making and improve health outcomes. Knowledge of Public Health Informatics is used to develop and implement health information systems, manage health data, and support public health initiatives through effective communication and data sharing among stakeholders.

SUDAAN (Software) is a statistical software package designed specifically for analyzing data from complex surveys, such as those conducted by the government or in healthcare research. It allows researchers and analysts to account for the sampling design and weighting of survey data, and provides tools for calculating descriptive statistics, estimating parameters, and conducting hypothesis tests. SUDAAN is widely used in epidemiology, public health, social sciences, and other fields where survey data are routinely collected and analyzed.

Statistical Graphics refers to the visual representation of data and statistical information through charts, graphs, and plots. This skill encompasses the ability to create and interpret visualizations that effectively communicate patterns, trends, and relationships within data sets. Knowledge of Statistical Graphics is used to enhance data analysis, facilitate decision-making, and present findings in a clear and accessible manner for various audiences.

Statistical Research refers to the application of statistical methods and techniques to gather, analyze, and interpret data for the purpose of understanding trends, testing hypotheses, or making informed decisions. It involves designing studies, collecting data, and applying appropriate statistical tools to ensure accuracy and validity in research findings. Statistical Research is used to identify patterns, relationships, and insights from numerical data, supporting evidence-based conclusions in various fields.