Power analysis for logistic regression
StataNow puts new features at your fingertips as soon as they are ready. With the latest update, you can use the new power logistic command to determine optimal sample size. Compute sample size, power, or effect size. See calculations from multiple parameter values with customizable tables and graphs.
No extra modules or hidden costs—Stata provides a complete suite of tools for reproducible statistical analysis, intuitive data visualization, efficient data management, and automated reporting.
Stata's statistical features empower you to answer a wide range of research questions. From linear and logistic regression to time-series and panel-data analyses, survival models, causal inference, Bayesian analysis, and machine learning, you can fit models, evaluate assumptions, make inferences, and interpret results with confidence.
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Create publication-quality graphs with customizable layouts, labels, and colors. Export seamlessly to EPS, PNG, PDF, SVG, or TIFF, making it easy to integrate visuals into reports and presentations.
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Clean, reshape, and manage your data with ease. Stata's tools handle large datasets, missing values, merges, and time-series structures, helping you prepare your data for analysis using just a few commands.
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Automate report generation with seamless exports to Word, Excel, PDF, and HTML. Create customizable tables and dynamic reports that update as your data change—ensuring transparency and reproducibility.
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Analysts, researchers, and academics worldwide rely on Stata for accurate, reproducible results and seamless workflows.
Stata is designed for researchers across disciplines, providing powerful, flexible tools tailored to the unique needs of your field.
Whether you're new to Stata or looking to sharpen your skills, our training resources and documentation make it easy to master Stata.
Training resources
From free webinars and video tutorials to NetCourses that fit any schedule and live classroom or web-based trainings, there are many ways to become proficient at Stata.
31 July—1 August | Nashville, TN
Join us in Nashville to celebrate 40 years of Stata—a milestone in trusted, reproducible statistical software. Open to users of all skill levels, the Stata Conference is a unique opportunity to hear from Stata experts in the top of their field, as well as Stata's own researchers and developers. Take in Nashville's captivating blend of music, cuisine, and Southern charm for an unforgettable experience.
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