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2018-11-19
Program Development

Scala - 使用zipped方法处理2个List

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// 2个List生成Map
val baselineMap = (featureList, baseline).zipped.toMap

// 2个List的值依次配对计算,生成List
val Si = (baseline, curline).zipped.map(_ + _)
val chisA = (baseline, EAi).zipped.map((d, e) => 1.0 * (d - e) * (d - e) / e)

zipped将两List的元素,依次生成一个Tuple,交给后续处理。

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