repl.txt (1258B)
1 2 {{alias}}( x, p ) 3 Evaluates the cumulative distribution function (CDF) for a geometric 4 distribution with success probability `p` at a value `x`. 5 6 If provided `NaN` as any argument, the function returns `NaN`. 7 8 If `p < 0` or `p > 1`, the function returns `NaN`. 9 10 Parameters 11 ---------- 12 x: number 13 Input value. 14 15 p: number 16 Success probability. 17 18 Returns 19 ------- 20 out: number 21 Evaluated CDF. 22 23 Examples 24 -------- 25 > var y = {{alias}}( 2.0, 0.5 ) 26 0.875 27 > y = {{alias}}( 2.0, 0.1 ) 28 ~0.271 29 > y = {{alias}}( -1.0, 4.0 ) 30 0.0 31 > y = {{alias}}( NaN, 0.5 ) 32 NaN 33 > y = {{alias}}( 0.0, NaN ) 34 NaN 35 // Invalid probability 36 > y = {{alias}}( 2.0, 1.4 ) 37 NaN 38 39 40 {{alias}}.factory( p ) 41 Returns a function for evaluating the cumulative distribution function (CDF) 42 of a geometric distribution with success probability `p`. 43 44 Parameters 45 ---------- 46 p: number 47 Success probability. 48 49 Returns 50 ------- 51 cdf: Function 52 Cumulative distribution function (CDF). 53 54 Examples 55 -------- 56 > var mycdf = {{alias}}.factory( 0.5 ); 57 > var y = mycdf( 3.0 ) 58 0.9375 59 > y = mycdf( 1.0 ) 60 0.75 61 62 See Also 63 -------- 64