Data commit

Task/Averages-Mode/Kotlin/averages-mode.kotlin

@@ -0,0 +1,21 @@
+fun <T> modeOf(a: Array<T>) {
+    val sortedByFreq = a.groupBy { it }.entries.sortedByDescending { it.value.size }
+    val maxFreq = sortedByFreq.first().value.size
+    val modes = sortedByFreq.takeWhile { it.value.size == maxFreq }
+    if (modes.size == 1)
+       println("The mode of the collection is ${modes.first().key} which has a frequency of $maxFreq")
+    else {
+       print("There are ${modes.size} modes with a frequency of $maxFreq, namely : ")
+       println(modes.map { it.key }.joinToString(", "))
+    }
+}
+
+fun main(args: Array<String>) {
+    val a = arrayOf(7, 1, 1, 6, 2, 4, 2, 4, 2, 1, 5)
+    println("[" + a.joinToString(", ") + "]")
+    modeOf(a)
+    println()
+    val b = arrayOf(true, false, true, false, true, true)
+    println("[" + b.joinToString(", ") + "]")
+    modeOf(b)
+}