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  2. Probability of superiority - Wikipedia

    en.wikipedia.org/wiki/Probability_of_superiority

    In other words, the correlation is the difference between the common language effect size and its complement. For example, if the common language effect size is 60%, then the rank-biserial r equals 60% minus 40%, or r = 0.20. The Kerby formula is directional, with positive values indicating that the results support the hypothesis.

  3. Financial analysis - Wikipedia

    en.wikipedia.org/wiki/Financial_analysis

    When proportionate changes in the same figure over a given time period expressed as a percentage is known as horizontal analysis. [2] Vertical or common-size analysis reduces all items on a statement to a "common size" as a percentage of some base value which assists in comparability with other companies of different sizes. [3]

  4. Wikipedia:Statistics - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Statistics

    Size of Wikipedia in volumes – to see the size of Wikipedia in print encyclopedia volumes; Size comparisons – comparisons against other encyclopedias and information collections; Modelling Wikipedia's growth – analysis of the count of articles, attempting to fit mathematical growth models {} template to display many WMF site stats

  5. Effect size - Wikipedia

    en.wikipedia.org/wiki/Effect_size

    In statistics, an effect size is a value measuring the strength of the relationship between two variables in a population, or a sample-based estimate of that quantity. It can refer to the value of a statistic calculated from a sample of data, the value of one parameter for a hypothetical population, or to the equation that operationalizes how statistics or parameters lead to the effect size ...

  6. Statistics - Wikipedia

    en.wikipedia.org/wiki/Statistics

    Exploratory data analysis (EDA) is an approach to analyzing data sets to summarize their main characteristics, often with visual methods. A statistical model can be used or not, but primarily EDA is for seeing what the data can tell us beyond the formal modeling or hypothesis testing task.

  7. Data - Wikipedia

    en.wikipedia.org/wiki/Data

    This usage is common in everyday language and in technical and scientific fields such as software development and computer science. One example of this usage is the term " big data ". When used more specifically to refer to the processing and analysis of sets of data, the term retains its plural form.

  8. Wikipedia - Wikipedia

    en.wikipedia.org/wiki/Wikipedia

    In addition to the point-for-point disagreement between these two parties, others have examined the sample size and selection method used in the Nature effort, and suggested a "flawed study design" (in Nature ' s manual selection of articles, in part or in whole, for comparison), absence of statistical analysis (e.g., of reported confidence ...

  9. Stochastic process - Wikipedia

    en.wikipedia.org/wiki/Stochastic_process

    The Wiener process is a stochastic process with stationary and independent increments that are normally distributed based on the size of the increments. [ 2 ] [ 94 ] The Wiener process is named after Norbert Wiener , who proved its mathematical existence, but the process is also called the Brownian motion process or just Brownian motion due to ...