• In probability theory, Wald's equation, Wald's identity or Wald's lemma is an important identity that simplifies the calculation of the expected value...
    25 KB (3,188 words) - 01:42, 27 April 2024
  • Thumbnail for Abraham Wald
    criticized Wald's work on the design of experiments and alleged ignorance of the basic ideas of the subject, as set out by Fisher and Frank Yates. Wald's work...
    13 KB (1,108 words) - 19:35, 21 May 2024
  • (X_{1})+\operatorname {E} (N^{2})\operatorname {E} (X_{1})^{2}.\end{aligned}}} By Wald's equation, under the given hypotheses, E ⁡ ( Y ) = E ⁡ ( N ) E ⁡ ( X 1 ) {\displaystyle...
    4 KB (791 words) - 12:35, 23 December 2023
  • Wald's equation Wald, Abraham (1944). "On cumulative sums of random variables". Ann. Math. Stat. 15 (3): 283–296. doi:10.1214/aoms/1177731235. Wald,...
    2 KB (269 words) - 08:33, 25 April 2024
  • Thumbnail for Expected value
    generalization of the expected value Population mean Predicted value Wald's equation – an equation for calculating the expected value of a random number of random...
    52 KB (7,592 words) - 17:03, 24 June 2024
  • compound Poisson process can be calculated using a result known as Wald's equation as: E ⁡ ( Y ( t ) ) = E ⁡ ( D 1 + ⋯ + D N ( t ) ) = E ⁡ ( N ( t ) )...
    4 KB (832 words) - 16:58, 19 June 2023
  • Thumbnail for Bellman equation
    and Abraham Wald's sequential analysis.[citation needed] The term 'Bellman equation' usually refers to the dynamic programming equation (DPE) associated...
    27 KB (3,996 words) - 10:10, 14 June 2024
  • no individuals exist after some finite number of generations. Using Wald's equation, it can be shown that starting with one individual in generation zero...
    17 KB (2,418 words) - 21:28, 8 February 2024
  • stopping theorem Martingale representation theorem Azuma's inequality Wald's equation Poisson process Poisson random measure Population process Process with...
    11 KB (1,000 words) - 14:07, 2 May 2024
  • Thumbnail for Structural equation modeling
    Structural equation modeling (SEM) is a diverse set of methods used by scientists doing both observational and experimental research. SEM is used mostly...
    83 KB (10,199 words) - 03:04, 1 July 2024