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In nQuery finding the appropriate sample size method for your study is easy. Simply go to select test design and goal window and select the relevant options for your study. All your options will now appear below.
通过我们的样本量和功能分析计算器中的贝叶 斯模块，了解试验中获得“积极”结果的可能性
Whether designing a clinical trial or putting together a study proposal, sample size determination is an integral part of the study planning process. With over 20 years of experience in clinical trial design, when using nQuery you can trust that your sample size determination is being conducted to the highest regulatory standards.
Use nQuery Bayes to combine prior knowledge + real-world data to make informed decisions
Bayesian Assurance
A vital contextual tool for biostatisticians
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