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北京天演融智软件有限公司（科学软件网）前身是北京世纪天演科技有限公司，成立于2001年，专注为国内高校、科研院所和以研发为主的企事业单位提供科研软件和服务的国家。
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.
Get to market quicker
Avoid under or overpowered trials. Use sample size re-estimation to explore pre-trial assumptions and adjust the sample size based on your interim results.
nQuery Clinical Trial Design Platform
nQuery is the world's most trusted platform for
Classical, Bayesian & Adaptive trial designs
Powerful Sample Size Options
Rapidly calculate sample size and conduct power analysis
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