repl.txt (1814B)
1 2 {{alias}}( x, d1, d2 ) 3 Evaluates the cumulative distribution function (CDF) for an F distribution 4 with numerator degrees of freedom `d1` and denominator degrees of freedom 5 `d2` at a value `x`. 6 7 If provided `NaN` as any argument, the function returns `NaN`. 8 9 If provided `d1 <= 0` or `d2 <= 0`, the function returns `NaN`. 10 11 Parameters 12 ---------- 13 x: number 14 Input value. 15 16 d1: number 17 Numerator degrees of freedom. 18 19 d2: number 20 Denominator degrees of freedom. 21 22 Returns 23 ------- 24 out: number 25 Evaluated CDF. 26 27 Examples 28 -------- 29 > var y = {{alias}}( 2.0, 1.0, 1.0 ) 30 ~0.608 31 > var y = {{alias}}( 2.0, 8.0, 4.0 ) 32 ~0.737 33 > var y = {{alias}}( -1.0, 2.0, 2.0 ) 34 0.0 35 > var y = {{alias}}( {{alias:@stdlib/constants/float64/pinf}}, 4.0, 2.0 ) 36 1.0 37 > var y = {{alias}}( {{alias:@stdlib/constants/float64/ninf}}, 4.0, 2.0 ) 38 0.0 39 40 > var y = {{alias}}( NaN, 1.0, 1.0 ) 41 NaN 42 > var y = {{alias}}( 0.0, NaN, 1.0 ) 43 NaN 44 > var y = {{alias}}( 0.0, 1.0, NaN ) 45 NaN 46 47 > var y = {{alias}}( 2.0, 1.0, -1.0 ) 48 NaN 49 > var y = {{alias}}( 2.0, -1.0, 1.0 ) 50 NaN 51 52 53 {{alias}}.factory( d1, d2 ) 54 Returns a function for evaluating the cumulative distribution function (CDF) 55 of an F distribution with numerator degrees of freedom `d1` and denominator 56 degrees of freedom `d2`. 57 58 Parameters 59 ---------- 60 d1: number 61 Numerator degrees of freedom. 62 63 d2: number 64 Denominator degrees of freedom. 65 66 Returns 67 ------- 68 cdf: Function 69 Cumulative distribution function (CDF). 70 71 Examples 72 -------- 73 > var myCDF = {{alias}}.factory( 10.0, 2.0 ); 74 > var y = myCDF( 10.0 ) 75 ~0.906 76 > y = myCDF( 8.0 ) 77 ~0.884 78 79 See Also 80 -------- 81