stats/src/lib/normale_distribution.cr

21 lines
1020 B
Crystal

require "./normale_distribution/persistant"
module Stats::NormaleDistribution
extend self
# Gives the probability of [ min; max ] for a normal distribution (*standard_deviation*)
def between(standard_deviation : Number, esperance : Number, min : Number, max : Number)
Stats::NormaleDistribution::Persistant.new(standard_deviation: standard_deviation, esperance: esperance).between min, max
end
# Gives the probability of [ min; +inf [ for a normal distribution (*standard_deviation*)
def greater_than(standard_deviation : Number, esperance : Number, min : Number)
Stats::NormaleDistribution::Persistant.new(standard_deviation: standard_deviation, esperance: esperance).greater_than min
end
# Gives the probability of ] -inf; max ] for a normal distribution (*standard_deviation*)
def less_than(standard_deviation : Number, esperance : Number, max : Number)
Stats::NormaleDistribution::Persistant.new(standard_deviation: standard_deviation, esperance: esperance).less_than max
end
end