Struct rand_distr::Binomial
source · pub struct Binomial { /* private fields */ }
Expand description
The binomial distribution Binomial(n, p)
.
This distribution has density function:
f(k) = n!/(k! (n-k)!) p^k (1-p)^(n-k)
for k >= 0
.
Example
use rand_distr::{Binomial, Distribution};
let bin = Binomial::new(20, 0.3).unwrap();
let v = bin.sample(&mut rand::thread_rng());
println!("{} is from a binomial distribution", v);
Implementations§
Trait Implementations§
source§impl<'de> Deserialize<'de> for Binomial
impl<'de> Deserialize<'de> for Binomial
source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
source§impl Distribution<u64> for Binomial
impl Distribution<u64> for Binomial
source§fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> u64
fn sample<R: Rng + ?Sized>(&self, rng: &mut R) -> u64
Generate a random value of
T
, using rng
as the source of randomness.