repl.txt (2391B)
1 2 {{alias}}( [μ, b] ) 3 Returns a Laplace distribution object. 4 5 Parameters 6 ---------- 7 μ: number (optional) 8 Location parameter. Default: `0.0`. 9 10 b: number (optional) 11 Scale parameter. Must be greater than `0`. Default: `1.0`. 12 13 Returns 14 ------- 15 laplace: Object 16 Distribution instance. 17 18 laplace.mu: number 19 Location parameter. 20 21 laplace.b: number 22 Scale parameter. If set, the value must be greater than `0`. 23 24 laplace.entropy: number 25 Read-only property which returns the differential entropy. 26 27 laplace.kurtosis: number 28 Read-only property which returns the excess kurtosis. 29 30 laplace.mean: number 31 Read-only property which returns the expected value. 32 33 laplace.median: number 34 Read-only property which returns the median. 35 36 laplace.mode: number 37 Read-only property which returns the mode. 38 39 laplace.skewness: number 40 Read-only property which returns the skewness. 41 42 laplace.stdev: number 43 Read-only property which returns the standard deviation. 44 45 laplace.variance: number 46 Read-only property which returns the variance. 47 48 laplace.cdf: Function 49 Evaluates the cumulative distribution function (CDF). 50 51 laplace.logcdf: Function 52 Evaluates the natural logarithm of the cumulative distribution function 53 (CDF). 54 55 laplace.logpdf: Function 56 Evaluates the natural logarithm of the probability density function 57 (PDF). 58 59 laplace.mgf: Function 60 Evaluates the moment-generating function (MGF). 61 62 laplace.pdf: Function 63 Evaluates the probability density function (PDF). 64 65 laplace.quantile: Function 66 Evaluates the quantile function at probability `p`. 67 68 Examples 69 -------- 70 > var laplace = {{alias}}( -2.0, 3.0 ); 71 > laplace.mu 72 -2.0 73 > laplace.b 74 3.0 75 > laplace.entropy 76 ~2.792 77 > laplace.kurtosis 78 3.0 79 > laplace.mean 80 -2.0 81 > laplace.median 82 -2.0 83 > laplace.mode 84 -2.0 85 > laplace.skewness 86 0.0 87 > laplace.stdev 88 ~4.243 89 > laplace.variance 90 18.0 91 > laplace.cdf( 0.8 ) 92 ~0.803 93 > laplace.logcdf( 0.8 ) 94 ~-0.219 95 > laplace.logpdf( 1.0 ) 96 ~-2.792 97 > laplace.mgf( 0.2 ) 98 ~1.047 99 > laplace.pdf( 2.0 ) 100 ~0.044 101 > laplace.quantile( 0.9 ) 102 ~2.828 103 104 See Also 105 -------- 106