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  2. Triple helix model of innovation - Wikipedia

    en.wikipedia.org/wiki/Triple_helix_model_of...

    The triple helix model of innovation, as theorized by Etzkowitz and Leydesdorff, is based on the interactions between the three following elements and their associated 'initial role': [9] universities engaging in basic research, industries producing commercial goods and governments that are regulating markets. [2]

  3. Helix of sustainability - Wikipedia

    en.wikipedia.org/wiki/Helix_of_sustainability

    The helix of sustainability - the Carbon cycle ideal for manufacture and use The international recycling symbol - not nature identical.. The helix of sustainability is a concept coined to help the manufacturing industry move to more sustainable practices by mapping its models of raw material use and reuse onto those of nature.

  4. Method acting - Wikipedia

    en.wikipedia.org/wiki/Method_acting

    Marlon Brando's performance in Elia Kazan's film of A Streetcar Named Desire exemplifies the power of Stanislavski-based acting in cinema. [1]Method acting, known as the Method, is a range of rehearsal techniques, as formulated by a number of different theatre practitioners, that seeks to encourage sincere and expressive performances through identifying with, understanding, and experiencing a ...

  5. Triangle of Life - Wikipedia

    en.wikipedia.org/wiki/Triangle_of_Life

    The Triangle of Life does not address the common instance of furniture toppling over during an earthquake. Copp's idea is focused on situations when a building completely collapses, falling straight down, rather than the far more common situations, when side-to-side shaking causes falling objects (such as trees, chimneys, furniture, and objects on shelves) to land on top of people.

  6. Elbow method (clustering) - Wikipedia

    en.wikipedia.org/wiki/Elbow_method_(clustering)

    Explained variance. The "elbow" is indicated by the red circle. The number of clusters chosen should therefore be 4. In cluster analysis, the elbow method is a heuristic used in determining the number of clusters in a data set.

  7. Halley's method - Wikipedia

    en.wikipedia.org/wiki/Halley's_method

    In numerical analysis, Halley's method is a root-finding algorithm used for functions of one real variable with a continuous second derivative. Edmond Halley was an English mathematician and astronomer who introduced the method now called by his name.

  8. Method - Wikipedia

    en.wikipedia.org/wiki/Method

    Method (Ancient Greek: μέθοδος, methodos, from μετά/meta "in pursuit or quest of" + ὁδός/hodos "a method, system; a way or manner" of doing, saying, etc.), literally means a pursuit of knowledge, investigation, mode of prosecuting such inquiry, or system.

  9. Pearson correlation coefficient - Wikipedia

    en.wikipedia.org/wiki/Pearson_correlation...

    Pearson's correlation coefficient is the covariance of the two variables divided by the product of their standard deviations. The form of the definition involves a "product moment", that is, the mean (the first moment about the origin) of the product of the mean-adjusted random variables; hence the modifier product-moment in the name.