Keyword : Chi distribution

G01ECF	Computes probabilities for $χ^{2}$ distribution
G01FCF	Computes deviates for the $χ^{2}$ distribution
G01GCF	Computes probabilities for the non-central $χ^{2}$ distribution
G01SCF	Computes a vector of probabilities for $χ^{2}$ distribution
G01TCF	Computes a vector of deviates for $χ^{2}$ distribution
G05SDF	Generates a vector of pseudorandom numbers from a $χ^{2}$ distribution