Probabilities::BinomCDF Function

Overload List

#SignatureDescription
1double BinomCDF(int x, int N, double p);Binomial cumulative distribution function (CDF).
2void BinomCDF(TMtxVecInt *X, int n, double P, TDenseMtxVec *Res);Binomial CDF (vectorized).

Overload 1: double BinomCDF(int x, int N, double p);

Binomial cumulative distribution function (CDF).

#NameTypeDescription
1xintFunction domain, integer on the closed interval [0,N].
2NintNumber of trials; N must be a positive integer.
3pdoubleSuccess probability; p must lie on the closed interval [0,1].

Returns: the binomial cumulative distribution function (CDF). Returns NAN when p is outside [0,1], N<=0, or x>N.

Remarks:

Computes the binomial CDF, the probability of observing up to x successes in N independent trials with success probability p:

CDF(x| N,p)=sum_(j=0)^xbinomNj p^j (1-p)^(N-j)=I_(1-p)(N-x, x+1)

where I_z(a,b) is the regularized incomplete beta function (the implementation evaluates 1-I_p(x+1,N-x)). Domain: x in {0,...,N}, N >= 1, p in [0,1]; otherwise the result is NaN.

See Also: Probabilities::BinomPDF, Probabilities::BinomCDFInv, Probabilities::BernoulliCDF
Declared in Dew::Math::Units::Probabilities · Dew.Math/Units.Probabilities.h · Cross-compiler

Overload 2: void BinomCDF(TMtxVecInt *X, int n, double P, TDenseMtxVec *Res);

Binomial CDF (vectorized).

#NameTypeDescription
1XTMtxVecInt *Defines distribution domain, real vector or matrix with integer values on closec interval [0,n].
2nintDefines number of trials. n must be a positive integer.
3PdoubleDefines success probability. p must lie on the [0,1] closed interval.
4ResTDenseMtxVec *After calculation stores the CDF calculated using X, n and p. Length and Complex properties of Res are adjusted automatically to match Length and Complex properties of X.
Declared in Dew::Math::Units::Probabilities · Dew.Math/Units.Probabilities.h · Cross-compiler