15 lines
386 B
Plaintext
15 lines
386 B
Plaintext
// version 1.0.6
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import java.util.Random
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fun main(args: Array<String>) {
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val r = Random()
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val da = DoubleArray(1000)
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for (i in 0 until 1000) da[i] = 1.0 + 0.5 * r.nextGaussian()
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// now check actual mean and SD
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val mean = da.average()
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val sd = Math.sqrt(da.map { (it - mean) * (it - mean) }.average())
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println("Mean is $mean")
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println("S.D. is $sd")
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}
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