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  2. SPSS - Wikipedia

    en.wikipedia.org/wiki/SPSS

    SPSS Statistics is a statistical software suite developed by IBM for data management, advanced analytics, multivariate analysis, ... additional terms may apply.

  3. Glossary of probability and statistics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_probability...

    Also confidence coefficient. A number indicating the probability that the confidence interval (range) captures the true population mean. For example, a confidence interval with a 95% confidence level has a 95% chance of capturing the population mean. Technically, this means that, if the experiment were repeated many times, 95% of the CIs computed at this level would contain the true population ...

  4. Homoscedasticity and heteroscedasticity - Wikipedia

    en.wikipedia.org/wiki/Homoscedasticity_and...

    Consider the linear regression equation = +, =, …,, where the dependent random variable equals the deterministic variable times coefficient plus a random disturbance term that has mean zero. The disturbances are homoscedastic if the variance of ε i {\displaystyle \varepsilon _{i}} is a constant σ 2 {\displaystyle \sigma ^{2}} ; otherwise ...

  5. Intraclass correlation - Wikipedia

    en.wikipedia.org/wiki/Intraclass_correlation

    In terms of its algebraic form, Fisher's original ICC is the ICC that most resembles the Pearson correlation coefficient. One key difference between the two statistics is that in the ICC, the data are centered and scaled using a pooled mean and standard deviation, whereas in the Pearson correlation, each variable is centered and scaled by its ...

  6. SPSS (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/SPSS_(disambiguation)

    SPSS may refer to: SPSS, SPSS Statistics (formerly known as Statistical Package for the Social Sciences), computer software; SPSS Inc., company; Narco sub, self-propelled semi-submersible; Science Planning and Scheduling System, module of the Hubble Space Telescope; Special State Protection Service of Georgia, the state protection agency of Georgia

  7. Norman H. Nie - Wikipedia

    en.wikipedia.org/wiki/Norman_H._Nie

    SPSS has been a publicly traded company on the NASDAQ since 1993. Originally invented to solve the problem of analyzing data for Nie's dissertation, SPSS soon became widely used among other social scientists and researchers. Along with SAS, it revolutionized empirical social science. In an essay entitled "Doing It Ourselves: The SPSS Manual as ...

  8. Data analysis - Wikipedia

    en.wikipedia.org/wiki/Data_analysis

    Data analysis is the process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions, and supporting decision-making. [1]

  9. General Social Survey - Wikipedia

    en.wikipedia.org/wiki/General_Social_Survey

    The General Social-Survey has three main purposes: Gather data to monitor and explain trends, changes, and constants in attitudes, behaviors, and attributes as well as examine the structure, development, and functioning of society in general as well as the role of various sub-groups