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  2. Clarke Error Grid - Wikipedia

    en.wikipedia.org/wiki/Clarke_Error_Grid

    A scatterplot is generated, plotting values from the reference glucose meter (x-axis) against values from the new device (y-axis); thus, each point represents measurement of a single sample by two methods. Grid lines are then drawn to indicate 5 different classifications (Regions A-E) based on clinical relevance:

  3. Abscissa and ordinate - Wikipedia

    en.wikipedia.org/wiki/Abscissa_and_ordinate

    More technically, the abscissa of a point is the signed measure of its projection on the primary axis. Its absolute value is the distance between the projection and the origin of the axis, and its sign is given by the location on the projection relative to the origin (before: negative; after: positive). Similarly, the ordinate of a point is the ...

  4. Approximation error - Wikipedia

    en.wikipedia.org/wiki/Approximation_error

    Best rational approximants for π (green circle), e (blue diamond), ϕ (pink oblong), (√3)/2 (grey hexagon), 1/√2 (red octagon) and 1/√3 (orange triangle) calculated from their continued fraction expansions, plotted as slopes y/x with errors from their true values (black dashes)

  5. Cartesian coordinate system - Wikipedia

    en.wikipedia.org/wiki/Cartesian_coordinate_system

    The standard orientation, where the xy-plane is horizontal and the z-axis points up (and the x- and the y-axis form a positively oriented two-dimensional coordinate system in the xy-plane if observed from above the xy-plane) is called right-handed or positive. 3D Cartesian coordinate handedness. The name derives from the right-hand rule.

  6. Equity value - Wikipedia

    en.wikipedia.org/wiki/Equity_value

    It is the enterprise value plus all cash and cash equivalents, short and long-term investments, and less all short-term debt, long-term debt and minority interests. [1] [2] Equity value accounts for all the ownership interest in a firm including the value of unexercised stock options and securities convertible to equity.

  7. Rotation of axes in two dimensions - Wikipedia

    en.wikipedia.org/wiki/Rotation_of_axes_in_two...

    A point P has coordinates (x, y) with respect to the original system and coordinates (x′, y′) with respect to the new system. [1] In the new coordinate system, the point P will appear to have been rotated in the opposite direction, that is, clockwise through the angle . A rotation of axes in more than two dimensions is defined similarly.

  8. What is negative equity? A guide to underwater mortgages - AOL

    www.aol.com/finance/negative-equity-guide...

    For example, let’s say that your current mortgage loan balance is $360,000. But your home is only worth $300,000. In that case, you would have negative equity of $60,000.

  9. Kelly criterion - Wikipedia

    en.wikipedia.org/wiki/Kelly_criterion

    The figure plots the amount gained with a win on the x-axis against the fraction of portfolio to bet on the y-axis. This figure assumes p=0.5 (that the probability of both a win and a loss is 50%). If the amount gained with a win is 1, then the Kelly betting amount is $0, which makes sense in a fair bet with no expected gain.