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  2. Gap analysis - Wikipedia

    en.wikipedia.org/wiki/Gap_analysis

    In management literature, gap analysis involves the comparison of actual performance with potential or desired performance. [1] If an organization does not make the best use of current resources, or forgoes investment in productive physical capital or technology, it may produce or perform below an idealized potential.

  3. Product fit analysis - Wikipedia

    en.wikipedia.org/wiki/Product_fit_analysis

    A Product fit analysis (PFA) is a form of requirements analysis of the gap between an IT product's functionality and required functions. It is a document which consists of all the business requirements which are mapped to the product or application.

  4. Statistical interference - Wikipedia

    en.wikipedia.org/wiki/Statistical_interference

    Interference of measurement distributions to determine fit of parts. Mechanical parts are usually designed to fit precisely together. For example, if a shaft is designed to have a "sliding fit" in a hole, the shaft must be a little smaller than the hole. (Traditional tolerances may suggest that all dimensions fall within those intended tolerances.

  5. Linear trend estimation - Wikipedia

    en.wikipedia.org/wiki/Linear_trend_estimation

    The least-squares fit is a common method to fit a straight line through the data. This method minimizes the sum of the squared errors in the data series y {\displaystyle y} . Given a set of points in time t {\displaystyle t} and data values y t {\displaystyle y_{t}} observed for those points in time, values of a ^ {\displaystyle {\hat {a}}} and ...

  6. Form, fit and function - Wikipedia

    en.wikipedia.org/wiki/Form,_fit_and_function

    Fit The fit of a commodity is defined by its ability to physically interface or connect with or become an integral part of another commodity. For software, the fit is defined by its ability to interface or connect with a defense article. Function The function of a commodity is the action or actions it is designed to perform. For software, the ...

  7. Bootstrapping (statistics) - Wikipedia

    en.wikipedia.org/wiki/Bootstrapping_(statistics)

    Given an r-sample statistic, one can create an n-sample statistic by something similar to bootstrapping (taking the average of the statistic over all subsamples of size r). This procedure is known to have certain good properties and the result is a U-statistic. The sample mean and sample variance are of this form, for r = 1 and r = 2.

  8. Goodness of fit - Wikipedia

    en.wikipedia.org/wiki/Goodness_of_fit

    The goodness of fit ... (2010), "Empirical likelihood ratios applied to goodness-of-fit tests based on sample entropy", Computational Statistics & Data Analysis ...

  9. Generalization error - Wikipedia

    en.wikipedia.org/wiki/Generalization_error

    A seventh order polynomial function was fit to the training data. In the right column, the function is tested on data sampled from the underlying joint probability distribution of x and y. In the top row, the function is fit on a sample dataset of 10 datapoints. In the bottom row, the function is fit on a sample dataset of 100 datapoints.