Averages/Simple moving average: Difference between revisions
Added Kotlin
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(Added Kotlin) |
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Line 2,043:
1 1.5 2 2.5 3 3.8 4.2 4.2 3.8 3
</lang>
=={{header|Kotlin}}==
<lang scala>// version 1.0.6
fun initMovingAverage(p: Int): (Double) -> Double {
if (p < 1) throw IllegalArgumentException("Period must be a positive integer")
val list = mutableListOf<Double>()
return {
list.add(it)
if (list.size > p) list.removeAt(0)
list.average()
}
}
fun main(args: Array<String>) {
val sma4 = initMovingAverage(4)
val sma5 = initMovingAverage(5)
val numbers = listOf(1.0, 2.0, 3.0, 4.0, 5.0, 5.0, 4.0, 3.0, 2.0, 1.0)
println("num\tsma4\tsma5\n")
for (number in numbers) println("${number}\t${sma4(number)}\t${sma5(number)}")
}</lang>
{{out}}
<pre>
num sma4 sma5
1.0 1.0 1.0
2.0 1.5 1.5
3.0 2.0 2.0
4.0 2.5 2.5
5.0 3.5 3.0
5.0 4.25 3.8
4.0 4.5 4.2
3.0 4.25 4.2
2.0 3.5 3.8
1.0 2.5 3.0
</pre>
=={{header|Lasso}}==
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