Directional Statistics

adjusted freq analogous analysis angular arctangent arithmetic mean Batschelet calculated Cartesian coordinates circular distributions circular histogram circular probability models circular variance class interval concentration parameter confidence interval considered critical value Descriptive Measures destinations within Kenya deviation direction cosines directional bias directional data directional statistics discrete uniform distribution equal example Figure Francisco and Tucson hypothesis of uniformity k₂ Kuiper's lattice distribution Linear histograms linear statistics lupines Mardia mean direction mean resultant length Mises distribution Nairobi data normal distribution null hypothesis number line number of days observed freq orientation mean polar coordinates population preferred direction probability density functions Procedure and Results Quadrant radians resultant vector rose diagram Sample Tests sent from Nairobi slope angle spatial spherical Table techniques test for uniformity test statistic tests for mean uniform distribution unit circle vector lengths von Mises distribution week for destinations wind direction x-axis zero direction