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@stdlib/stats

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Standard library statistical functions.

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{{alias}}( x, a, b ) Evaluates the logarithm of the cumulative distribution function (CDF) for a uniform distribution with minimum support `a` and maximum support `b` at a value `x`. If provided `NaN` as any argument, the function returns `NaN`. If provided `a >= b`, the function returns `NaN`. Parameters ---------- x: number Input value. a: number Minimum support. b: number Maximum support. Returns ------- out: number Evaluated logCDF. Examples -------- > var y = {{alias}}( 9.0, 0.0, 10.0 ) ~-0.105 > y = {{alias}}( 0.5, 0.0, 2.0 ) ~-1.386 > y = {{alias}}( {{alias:@stdlib/constants/float64/pinf}}, 2.0, 4.0 ) 0.0 > y = {{alias}}( {{alias:@stdlib/constants/float64/ninf}}, 2.0, 4.0 ) -Infinity > y = {{alias}}( NaN, 0.0, 1.0 ) NaN > y = {{alias}}( 0.0, NaN, 1.0 ) NaN > y = {{alias}}( 0.0, 0.0, NaN ) NaN > y = {{alias}}( 2.0, 1.0, 0.0 ) NaN {{alias}}.factory( a, b ) Returns a function for evaluating the logarithm of the cumulative distribution function (CDF) of a uniform distribution with minimum support `a` and maximum support `b`. Parameters ---------- a: number Minimum support. b: number Maximum support. Returns ------- logcdf: Function Logarithm of Cumulative distribution function (CDF). Examples -------- > var mylogcdf = {{alias}}.factory( 0.0, 10.0 ); > var y = mylogcdf( 0.5 ) ~-2.996 > y = mylogcdf( 8.0 ) ~-0.223 See Also --------