使用期限租赁版
许可形式单机和网络版
原产地Ireland
介质下载版
适用平台Windows或Mac
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The installation qualification tool ensures that all of the files that are expected are present and that their integrity has been maintained.
The operational qualification tool ensures that every calculation used in nQuery is still giving the same results as expected through our internal testing. Both of these tools are designed to be easy to use and intuitive and to provide results that can be easily read by anyone in the organization.
Created by sample size experts, nQuery boasts 100s of validated sample size tables & procedures, complete with an extensive list of features for sample size calculation and power analysis. This is why it is the #1 choice for researchers and Biostatisticians worldwide.
For example, in the two sample t-test we can see the effect of changing anything from the significance level to the standard deviation on any of the solvers in the table which in this table would be for; the effect size, sample size or power.
Powerful Sample Size Options
Rapidly calculate sample size for a multitude of scenarios
Align your sample size with scientific & budgetary requirements
Fine-tune calculations with the specify multiple factors tool
1000+ sample size and power calculation procedures
20年来，公司始终秉承、专注、专心的发展理念，厚积薄发，积累了大量的人才、技术以及行业经验，在行业内得到了大量用户的认可和高度评价。
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