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  2. Circular mean - Wikipedia

    en.wikipedia.org/wiki/Circular_mean

    A simple way to calculate the mean of a series of angles (in the interval [0°, 360°)) is to calculate the mean of the cosines and sines of each angle, and obtain the angle by calculating the inverse tangent. Consider the following three angles as an example: 10, 20, and 30 degrees.

  3. Directional statistics - Wikipedia

    en.wikipedia.org/wiki/Directional_statistics

    The population circular mean is simply the first moment of the distribution while the sample mean is the first moment of the sample. The sample mean will serve as an unbiased estimator of the population mean. When data is concentrated, the median and mode may be defined by analogy to the linear case, but for more dispersed or multi-modal data ...

  4. Circular error probable - Wikipedia

    en.wikipedia.org/wiki/Circular_error_probable

    There are associated concepts, such as the DRMS (distance root mean square), which is the square root of the average squared distance error, a form of the standard deviation. Another is the R95, which is the radius of the circle where 95% of the values would fall, a 95% confidence interval .

  5. Geometric median - Wikipedia

    en.wikipedia.org/wiki/Geometric_median

    For the 1-dimensional case, the geometric median coincides with the median.This is because the univariate median also minimizes the sum of distances from the points. (More precisely, if the points are p 1, ..., p n, in that order, the geometric median is the middle point (+) / if n is odd, but is not uniquely determined if n is even, when it can be any point in the line segment between the two ...

  6. How to hit on someone in real life – without being a creep

    www.aol.com/hit-someone-real-life-without...

    Bear all this in mind next time you find yourself in the wild and hopefully you’ll have some success. Or at least enough to stop you from asking anyone if they “come here often”. Show comments

  7. NFL divisional round schedule, playoff bracket: Chiefs, Lions ...

    www.aol.com/sports/nfl-divisional-round-schedule...

    The divisional round of the playoffs is up next. NFL divisional round schedule, playoff bracket: Chiefs, Lions back in action after postseason bye week

  8. Median - Wikipedia

    en.wikipedia.org/wiki/Median

    The median of a normal distribution with mean μ and variance σ 2 is μ. In fact, for a normal distribution, mean = median = mode. The median of a uniform distribution in the interval [a, b] is (a + b) / 2, which is also the mean. The median of a Cauchy distribution with location parameter x 0 and scale parameter y is x 0, the location parameter.

  9. Insurer stocks fall after Trump says 'we're going to knock ...

    www.aol.com/news/insurer-stocks-fall-trump-says...

    CVS Health's Caremark, Cigna's Express Scripts and UnitedHealth Group's Optum control the majority of the U.S. pharmacy benefit market, with their parent companies also operating health insurance ...