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  2. Normativity - Wikipedia

    en.wikipedia.org/wiki/Normativity

    Many researchers in science, law, and philosophy try to restrict the use of the term "normative" to the evaluative sense and refer to the description of behavior and outcomes as positive, descriptive, predictive, or empirical. [1] [2] Normative has specialized meanings in different academic disciplines such as philosophy, social sciences, and ...

  3. Decision theory - Wikipedia

    en.wikipedia.org/wiki/Decision_theory

    The mythological judgement of Paris required selecting from three incomparable alternatives (the goddesses shown).. Decision theory or the theory of rational choice is a branch of probability, economics, and analytic philosophy that uses the tools of expected utility and probability to model how individuals would behave rationally under uncertainty.

  4. Descriptive statistics - Wikipedia

    en.wikipedia.org/wiki/Descriptive_statistics

    The use of descriptive and summary statistics has an extensive history and, indeed, the simple tabulation of populations and of economic data was the first way the topic of statistics appeared. More recently, a collection of summarisation techniques has been formulated under the heading of exploratory data analysis : an example of such a ...

  5. Rationality - Wikipedia

    en.wikipedia.org/wiki/Rationality

    Descriptive theories are often investigated in empirical psychology while philosophy tends to focus more on normative issues. This division also reflects how different these two types are investigated. [6] [46] [16] [47] Descriptive and normative theorists usually employ different methodologies in their research.

  6. Policy analysis - Wikipedia

    en.wikipedia.org/wiki/Policy_analysis

    Policy analysis uses both qualitative methods and quantitative methods. Qualitative research includes case studies and interviews with community members. Quantitative research includes survey research, statistical analysis (also called data analysis) and model building. A common practice is to define the problem and evaluation criteria ...

  7. Data analysis - Wikipedia

    en.wikipedia.org/wiki/Data_analysis

    Data mining is a particular data analysis technique that focuses on statistical modeling and knowledge discovery for predictive rather than purely descriptive purposes, while business intelligence covers data analysis that relies heavily on aggregation, focusing mainly on business information. [4]

  8. Prescriptive analytics - Wikipedia

    en.wikipedia.org/wiki/Prescriptive_analytics

    Prescriptive analytics is the third and final phase of business analytics, which also includes descriptive and predictive analytics. [2] [3] Referred to as the "final frontier of analytic capabilities", [4] prescriptive analytics entails the application of mathematical and computational sciences and suggests decision options for how to take advantage of the results of descriptive and ...

  9. Normative science - Wikipedia

    en.wikipedia.org/wiki/Normative_science

    In the applied sciences, normative science is a type of information that is developed, presented, or interpreted based on an assumed, usually unstated, preference for a particular outcome, policy or class of policies or outcomes. [1] Regular or traditional science does not presuppose a policy preference, but normative science, by definition ...