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  2. Pushback (migration) - Wikipedia

    en.wikipedia.org/wiki/Pushback_(migration)

    Neža Kogovšek Šalamon considers that there is no single, recognized definition of a pushback, but in general they can be characterized as "informal collective forced returns of people who irregularly enter the country back to the country they entered from, via procedures that take place outside legally defined rules in protocols or agreements signed by the neighbouring countries". [5]

  3. List of estimates of the 1948 Palestinian expulsion and flight

    en.wikipedia.org/wiki/List_of_estimates_of_the...

    472,000 in October, 1948, according to the Progress Report of the Acting United Nations Mediator on Palestine published by Acting UN Mediator Ralph Bunche, October 18, 1948. [24] [note 8] From other sources: 200,000+ by May, 1948 according to Samuel Katz (in 1973) [25] [26] 300,000± by May, 1948 according to Noam Chomsky (in 2002) [27]

  4. Optimal stopping - Wikipedia

    en.wikipedia.org/wiki/Optimal_stopping

    Optimal stopping problems can be found in areas of statistics, economics, and mathematical finance (related to the pricing of American options). A key example of an optimal stopping problem is the secretary problem.

  5. PS Power and Sample Size - Wikipedia

    en.wikipedia.org/wiki/PS_Power_and_Sample_Size

    The P program can be used for studies with dichotomous, continuous, or survival response measures. The user specifies the alternative hypothesis in terms of differing response rates, means, survival times, relative risks, or odds ratios.

  6. Stepwise regression - Wikipedia

    en.wikipedia.org/wiki/Stepwise_regression

    The main approaches for stepwise regression are: Forward selection, which involves starting with no variables in the model, testing the addition of each variable using a chosen model fit criterion, adding the variable (if any) whose inclusion gives the most statistically significant improvement of the fit, and repeating this process until none improves the model to a statistically significant ...

  7. Lift (data mining) - Wikipedia

    en.wikipedia.org/wiki/Lift_(data_mining)

    Rule 1: A implies 0; Rule 2: B implies 1; because these are simply the most common patterns found in the data. A simple review of the above table should make these rules obvious. The support for Rule 1 is 3/7 because that is the number of items in the dataset in which the antecedent is A and the consequent 0. The support for Rule 2 is 2/7 ...

  8. Maximum a posteriori estimation - Wikipedia

    en.wikipedia.org/wiki/Maximum_a_posteriori...

    An estimation procedure that is often claimed to be part of Bayesian statistics is the maximum a posteriori (MAP) estimate of an unknown quantity, that equals the mode of the posterior density with respect to some reference measure, typically the Lebesgue measure.

  9. Shrinkage (statistics) - Wikipedia

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

    In statistics, shrinkage is the reduction in the effects of sampling variation. In regression analysis, a fitted relationship appears to perform less well on a new data set than on the data set used for fitting. [1] In particular the value of the coefficient of determination 'shrinks'.