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直观的数据管理 NCSS很容易导入所有主要类型的数据文件。您也可以复制粘贴您的数据,或者直接输入您的数据。NCSS有的过滤和转换功能来管理数据。 选择一个过程 使用下拉菜单、过程搜索或类别树可以很容易找到正确的分析或图形过程。 简单的分析设置 分析和图形工具很容易使用,并且为每个选项提供内置的帮助信息。 选择要分析的栏目和需要的报告和图表,然后单击Run获取结果。 如果您需要额外的帮助,那么只需单击一下每个过程的完整文档即可。 NCSS software for data analysis comes complete with integrated documentation, free training videos, and full phone and email support from a team of PhD statisticians. Discover the product that thousands of researchers, consultants, professionals, engineers, and scientists are using worldwide.
ronbach's Alpha in Item Analysis Item Analysis Bland-Altman Plot and Analysis Bland-Altman Plot and Analysis Lin's Concordance Correlation Coefficient Lin's Concordance Correlation Coefficient Circular Data Correlation Circular Data Correlation
支持输出 当运行一个NCSS程序时,分析结果和所需的图表会显示在输出窗口中。所有的图形都可以在一个立的窗口中显示,以便查看或保存。 导航树的输出很容易操作。输出和图形都支持查看、复制、粘贴或保存。可以将多个输出运行发送到输出库,以便保存或进行比较分析。 系统要求 These are the computer requirements in order to run NCSS Statistical Analysis Software: • Processor: o 450 MHz or faster processor o 32-bit (x86) or 64-bit (x64) processor • RAM: o 256 MB (512 MB recommended) • Operating Systems: o Windows XP with Service Pack 2 or higher o Windows Vista o Windows 7 o Windows 8 and 8.1 o Windows 10 or later o Windows Server 2003 o Windows Server 2008 o Windows Server 2008 R2 o Windows Server 2012 o Windows Server 2012 R2 or later • Privileges: o Administrative rights required during installation only • Third Party Software: o Microsoft .NET 3.5 SP1 (included with NCSS CD, comes pre-installed with Windows 7 and Windows Server 2008 R2, feature activation required on Windows 8, 8.1, 10 and Windows Server 2012 and 2012 R2) o Microsoft Windows Installer 3.1 or higher o Adobe Reader® 7 or higher (required for the Help System only) • Hard Disk Space: o 160 MB for NCSS (plus space for Microsoft .NET 3.5 SP1 if not already installed) • Printer: o Any Windows-compatible inkjet or laser printer NCSS on a Mac A Windows emulator (such as Parallels) is required to run NCSS on a Mac
Viewing T-Test Output The results are displayed in the NCSS Output window. This T-Test compares the mean percent of the two groups. Often, all you will need is the t-value and associated probability level. These are contained in the Equal-Variance T-Test Section. In this case the T-Value is 3.6496 and the probability level (p-value) is 0.00294. We reject the null hypothesis that means are equal. A quick glance at the means of the two groups shows that the mean percent for small animals is 1.03 and for large animals is 0.13. The Two-Sample T-Test chapter of the Help system goes into much more detail on how to perform a T-Test analysis.
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