staPre
StaPre is a statistical software package designed for the analysis of categorical data. It was developed by the University of California, Los Angeles (UCLA) and is widely used in academic and research settings. The software provides a range of tools for data entry, manipulation, and analysis, including chi-square tests, Fisher's exact test, and logistic regression. StaPre also offers features for graphical representation of data, such as bar charts and mosaic plots. It is available for Windows and macOS operating systems and can be used to analyze data from various sources, including surveys, experiments, and observational studies. The software is user-friendly and includes a comprehensive help system to assist users in navigating its features. StaPre is particularly useful for researchers and analysts who need to perform complex statistical analyses on categorical data.