CS计算机代考程序代写 import Base.values, Base.count, Base.sum

import Base.values, Base.count, Base.sum
import Base.getindex, Base.setindex!
import Base.extrema, Base.maximum, Base.minimum
import Statistics.mean, Statistics.var, Statistics.std
import Statistics.median, Statistics.quantile

abstract type Results end
abstract type Aggregation <: Results end abstract type SimpleStats <: Aggregation end mutable struct StoredValues{T} <: Results values::Vector{T} loc::Int end mutable struct Sum{T} <: Aggregation n::Int sum::T end mutable struct BinomialStats{T} <: SimpleStats n::Int sum::T end mutable struct NormalStats{T} <: SimpleStats n::Int sum::T sumSq::T min::T max::T end