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  2. Maximum a posteriori estimation - Wikipedia

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

    It is closely related to the method of maximum likelihood (ML) estimation, but employs an augmented optimization objective which incorporates a prior density over the quantity one wants to estimate. MAP estimation is therefore a regularization of maximum likelihood estimation, so is not a well-defined statistic of the Bayesian posterior ...

  3. Rabbit test - Wikipedia

    en.wikipedia.org/wiki/Rabbit_test

    The rabbit test became a widely used bioassay (animal-based test) to test for pregnancy. The term "rabbit test" was first recorded in 1949, and was the origin of a common euphemism, "the rabbit died", for a positive pregnancy test. [4] The phrase was, in fact, based on a common misconception about the test.

  4. Dog appeasing pheromone - Wikipedia

    en.wikipedia.org/wiki/Dog_appeasing_pheromone

    Dog appeasing pheromone (DAP), sometimes known as apasine, is a mixture of esters of fatty acids released by the sebaceous glands in the inter-mammary sulcus of lactating female dogs. It is secreted from between three and four days after parturition and two to five days after weaning. [ 1 ]

  5. Posterior probability - Wikipedia

    en.wikipedia.org/wiki/Posterior_probability

    From a given posterior distribution, various point and interval estimates can be derived, such as the maximum a posteriori (MAP) or the highest posterior density interval (HPDI). [4] But while conceptually simple, the posterior distribution is generally not tractable and therefore needs to be either analytically or numerically approximated. [5]

  6. Laplace's approximation - Wikipedia

    en.wikipedia.org/wiki/Laplace's_approximation

    where ^ is the location of a mode of the joint target density, also known as the maximum a posteriori or MAP point and is the positive definite matrix of second derivatives of the negative log joint target density at the mode = ^. Thus, the Gaussian approximation matches the value and the log-curvature of the un-normalised target density at the ...

  7. Pregnancy tests using animals - Wikipedia

    en.wikipedia.org/wiki/Pregnancy_tests_using_animals

    The hCG test can be used to screen for uterus cancer, or a molar pregnancy, which is when there is abnormal placental growth in the uterus. [9] The hCG test can also be done after a miscarriage to ensure that a molar pregnancy is not present. In men, the hCG test can be used to screen for the presence of testicular cancer. [9]

  8. Maropitant - Wikipedia

    en.wikipedia.org/wiki/Maropitant

    Side effects in dogs and cats include hypersalivation, diarrhea, loss of appetite, and vomiting. [12] [16] Eight percent of dogs taking maropitant at doses meant to prevent motion sickness vomited right after, likely due to the local effects maropitant had on the gastrointestinal tract. Small amounts of food beforehand can prevent such post ...

  9. Expectation–maximization algorithm - Wikipedia

    en.wikipedia.org/wiki/Expectation–maximization...

    The EM method was modified to compute maximum a posteriori (MAP) estimates for Bayesian inference in the original paper by Dempster, Laird, and Rubin. Other methods exist to find maximum likelihood estimates, such as gradient descent, conjugate gradient, or variants of the Gauss–Newton algorithm. Unlike EM, such methods typically require the ...

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