repl.txt (600B)
1 2 {{alias}}( p ) 3 Evaluates the logit function. 4 5 Let `p` be the probability of some event. The logit function is defined as 6 the logarithm of the odds `p / (1-p)`. 7 8 If `p < 0` or `p > 1`, the function returns `NaN`. 9 10 Parameters 11 ---------- 12 p: number 13 Input value. 14 15 Returns 16 ------- 17 y: number 18 Function value. 19 20 Examples 21 -------- 22 > var y = {{alias}}( 0.2 ) 23 ~-1.386 24 > y = {{alias}}( 0.9 ) 25 ~2.197 26 > y = {{alias}}( -4.0 ) 27 NaN 28 > y = {{alias}}( 1.5 ) 29 NaN 30 > y = {{alias}}( NaN ) 31 NaN 32 33 See Also 34 -------- 35