BIP39WordInspector.swift

// http://swift.sandbox.bluemix.net/#/repl/59383be0a250154040b8fdaf

//  http://alphabetizer.flap.tv // The sorter

import Foundation

var nOfRemoved: UInt16 = 0

var maximumChars: Int = 0
var minimumChars: Int = Int.max

var totalChars: Int = 0
var charsOfWord: [Int] = []
var geometricAverage: Double = 1
var harmonicAverage:Double = 0

var firstNChars: Int = 4
var firstNCharsArray: [String] = []
var firstNCharsErrors: [String] = []

var minimumCharsWords: [String] = []
var maximumCharsWords: [String] = []

let array: [String] = [
	"ü",
	"hn",
	"nn"]
var array2: [String] = []

for i in 0 ... array.count - 1 {
	if array2.contains(array[i]){
		nOfRemoved += 1
	}else{
		array2.append(array[i])
	}
}
for i in 0 ... array2.count - 1{
	totalChars += array2[i].characters.count
	charsOfWord.append(array2[i].characters.count)
	harmonicAverage += 1/Double(array2[i].characters.count)
	geometricAverage *= Double(array2[i].characters.count)
	if array2[i].characters.count >= maximumChars{
		if array2[i].characters.count > maximumChars{
			maximumCharsWords.removeAll()
		}
		maximumChars = array[i].characters.count
		maximumCharsWords.append(array2[i])
	}
	if array2[i].characters.count <= minimumChars{
		if array2[i].characters.count < minimumChars{
			minimumCharsWords.removeAll()
		}
		minimumChars = array[i].characters.count
		minimumCharsWords.append(array2[i])
	}
		var e: String = array2[i]
		if array2[i].characters.count > firstNChars {
			let ind = e.index(e.startIndex, offsetBy: firstNChars)
			e = e.substring(to: ind)
		}else{
			
			while e.characters.count < firstNChars{
				e += " "
			}
		}
	if firstNCharsArray.contains(e){
				firstNCharsErrors.append(e)
			}else{
				firstNCharsArray.append(e)
			}
}
func median(_ nums: [Int]) -> Float {
    var arr = nums.sorted()
    if nums.count % 2 == 0{
        return Float((arr[(nums.count / 2)] + arr[(nums.count / 2) - 1])) / 2
    }
    else{
    return Float(arr[(nums.count - 1) / 2])
    }
}
let average: Double = Double(totalChars)/Double(array2.count)
var standardDeviation: Double = 0
for i in 0 ... array2.count - 1{
	print(array2[i])
	standardDeviation += (average - Double(array2[i].characters.count))*(average - Double(array2[i].characters.count))
}
print("--------------------------")
print("MINIMA:")
for i in 0 ... minimumCharsWords.count - 1{
	print(minimumCharsWords[i])
}
print("MAXIMA:")
for i in 0 ... maximumCharsWords.count - 1{
	print(maximumCharsWords[i])
}



print("The arithmetic average of characters per word is \(average)")
print("The geometric average of characters per word is \(pow(geometricAverage,1/Double(array2.count)))")
print("The harmonic average of characters per word is \(Double(array2.count)/harmonicAverage))")
print("The standart deviation of characters per word is \(sqrt(standardDeviation/Double(array2.count - 1)))")
print("The median of characters per word is \(median(charsOfWord))")
print("Words have at least \(minimumChars) characters, at most \(maximumChars) characters.")
if nOfRemoved == 1{
	print("1 duplicate word.")
}else{
print("\(nOfRemoved) duplicate words.")
}