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科学软件网销售软件达19年,有丰富的销售经验以及客户资源,提供的产品涵盖各个学科,包括经管,仿真,地球地理,生物化学,工程科学,排版及网络管理等。此外,我们还提供很多附加服务,如:现场培训、课程、解决方案、咨询服务等。
PASS软件为**过740个统计测试和置信区间场景提供样本大小工具-比任何其他样本大小软件工具多一倍以上。每个工具都经过了公开的文章和/或文本的仔细验证。
PASS有完整的文档和博士统计学家的支持。
经过了20多年的精心调整,PASS已成为试验、制药和其他研究领域的样本软件选择。它也成为所有其他需要进行样本量的计算或评估的领域的支柱。
在PASS中获取样本大小
在PASS中,您可以在几个短的步骤中估计一个统计测试或置信区间的样本大小。如果您在任何步骤中都需要,那么可以通过PASS完整的文档,您也可以联系我们的博士统计学家团队获得帮助。
![pass正版软件安装](//l.b2b168.com/2021/09/28/15/202109281512145663354.jpg)
Equivalence
Equivalence Tests for the Difference of Two Proportions in a Cluster-Randomized Design
Equivalence Tests for the Ratio of Two Proportions in a Cluster-Randomized Design
Mixed Models (2-Level Hierarchical Design)
Mixed Models Tests for Two Proportions in a 2-Level Hierarchical Design (Level-2 Randomization)
Mixed Models Tests for Two Proportions in a 2-Level Hierarchical Design (Level-1 Randomization)
Mixed Models (3-Level Hierarchical Design)
Mixed Models Tests for Two Proportions in a 3-Level Hierarchical Design (Level-3 Randomization)
Mixed Models Tests for Two Proportions in a 3-Level Hierarchical Design (Level-2 Randomization)
Mixed Models Tests for Two Proportions in a 3-Level Hierarchical Design (Level-1 Randomization)
![pass正版软件安装](//l.b2b168.com/2021/09/28/15/202109281512145191534.jpg)
Enter The Values
The sample size procedure tools are easy to use and have built-in help messages for every option.
Enlarge the infographic to see the descriptions of the ways that PASS helps you to enter the proper values in a sample size procedure tool. You can also watch this video to see an example of using a procedure window in PASS.
![pass正版软件安装](//l.b2b168.com/2021/09/28/15/202109281512133438014.jpg)
Two Proportions
Test (Inequality)
Tests for Two Proportions in a Cluster-Randomized Design
Tests for Two Proportions in a Stratified Cluster-Randomized Design (Cochran-Mantel-Haenszel Test)
Tests for Two Proportions in a Stepped-Wedge Cluster-Randomized Design
Tests for the Matched-Pair Difference of Two Proportions in a Cluster-Randomized Design
GEE Tests for Two Proportions in a Split-Mouth Design
Test (Non-Zero Null)
Non-Zero Null Tests for the Difference of Two Proportions in a Cluster-Randomized Design
Non-Unity Null Tests for the Ratio of Two Proportions in a Cluster-Randomized Design
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