Responsibilities and Disclaimer

This website provides statistical calculators, design tools, and educational materials intended to support learning, research planning, and exploratory analysis. These tools are offered for informational and research-support purposes only and are not a substitute for independent statistical review, professional consultation, clinical judgment, regulatory review, legal advice, or other specialized expertise.

By using this website, you acknowledge that you are responsible for reviewing all inputs, assumptions, formulas, parameters, outputs, interpretations, and limitations before relying on any result. While reasonable efforts are made to keep the tools accurate and useful, no guarantee is made that the content, calculations, code, or visualizations are error-free, complete, up to date, or suitable for every application.

User Responsibilities

Verify all entered values, selected assumptions, and generated results before using them in research, publications, presentations, grant applications, protocols, or decision-making.
Use qualified professional judgment when applying any output to real-world statistical, scientific, operational, financial, or clinical questions.
Independently validate results whenever accuracy is important, especially for high-stakes, regulated, patient-related, or publication-quality work.

Limitations of Use

These tools should not be used as the sole basis for patient care, diagnosis, treatment, regulatory submission, safety reporting, legal conclusions, investment decisions, or other high-stakes actions. Use of this website does not create a professional-client, physician-patient, or other fiduciary relationship.

The website owner and developer disclaim liability for any direct or indirect loss, damage, claim, or consequence arising from the use of this website or reliance on its outputs. Continued use of the website indicates your acceptance of these terms and your agreement to assume responsibility for how the tools and information are used.

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