City Pedia Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Jarrow–Turnbull model - Wikipedia

    en.wikipedia.org/wiki/Jarrow–Turnbull_model

    The Jarrow–Turnbull model is a widely used "reduced-form" credit risk model. It was published in 1995 by Robert A. Jarrow and Stuart Turnbull. [1] Under the model, which returns the corporate's probability of default, bankruptcy is modeled as a statistical process. The model extends the reduced-form model of Merton (1976) [2] to a random ...

  3. All models are wrong - Wikipedia

    en.wikipedia.org/wiki/All_models_are_wrong

    All models are wrong. All models are wrong is a common aphorism and anapodoton in statistics; it is often expanded as "All models are wrong, but some are useful". The aphorism acknowledges that statistical models always fall short of the complexities of reality but can still be useful nonetheless.

  4. Enterprise modelling - Wikipedia

    en.wikipedia.org/wiki/Enterprise_modelling

    Enterprise modelling is the abstract representation, description and definition of the structure, processes, information and resources of an identifiable business, government body, or other large organization. [2] It deals with the process of understanding an organization and improving its performance through creation and analysis of enterprise ...

  5. Lockheed Model 12 Electra Junior - Wikipedia

    en.wikipedia.org/wiki/Lockheed_Model_12_Electra...

    130. Developed from. Lockheed Model 10 Electra. The Lockheed Model 12 Electra Junior, more commonly known as the Lockheed 12 or L-12, is an eight-seat, six-passenger all-metal twin-engine transport aircraft of the late 1930s designed for use by small airlines, companies, and wealthy private individuals. A smaller version of the Lockheed Model ...

  6. Mixture model - Wikipedia

    en.wikipedia.org/wiki/Mixture_model

    Mixture model. In statistics, a mixture model is a probabilistic model for representing the presence of subpopulations within an overall population, without requiring that an observed data set should identify the sub-population to which an individual observation belongs. Formally a mixture model corresponds to the mixture distribution that ...

  7. National Youth Leadership Training - Wikipedia

    en.wikipedia.org/wiki/National_Youth_Leadership...

    United States. Founded. 2003. Scouting portal. National Youth Leadership Training, often called NYLT, is the current youth leadership development training offered by the Boy Scouts of America. The program is conducted at the council level over six days for Scouts, Venturers, and Sea Scouts. The program has been open to all genders since 2010.

  8. List of states and territories of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_states_and...

    A map of the United States showing its 50 states, federal district and five inhabited territories. Alaska, Hawaii, and the territories are shown at different scales, and the Aleutian Islands and the uninhabited northwestern Hawaiian Islands are omitted from the map. The United States of America is a federal republic [1] consisting of 50 states ...

  9. Autoregressive model - Wikipedia

    en.wikipedia.org/wiki/Autoregressive_model

    Autoregressive model. In statistics, econometrics, and signal processing, an autoregressive ( AR) model is a representation of a type of random process; as such, it is used to describe certain time-varying processes in nature, economics, behavior, etc. The autoregressive model specifies that the output variable depends linearly on its own ...