CATrend Analyzer is a powerful statistical application designed for researchers, data analysts, and healthcare professionals to detect trends in proportions across ordered categorical variables. With its intuitive interface, users can seamlessly import data from CSV, Excel, Stata, or SPSS, perform advanced cleaning with missing value handling, and select variables interactively using drag-and-drop level ordering. The app accurately implements the Cochran-Armitage test with flexible options (two-sided, increasing, or decreasing trends), presents detailed results including contingency tables, Chi-square statistic, and Z-statistics, and enhances interpretation with professional visualizations such as stacked bar plots. To complete the workflow, CATrend Analyzer generates comprehensive Word reports, making it a streamlined, all-in-one solution that combines accessibility with statistical rigor and precision.

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