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Time Series Analysis in Java

There is a newer version: 0.2.1

package data;

import stats.Statistics;

final class Range {
	
	private final int[] range;
	private final double[] data;
	
	private Range(final int from, final int to, final int by) {
		this.range = new int[to - from];
		this.data = new double[to - from];
		for (int i = 0; i < range.length; i++) {
			range[i] = from + i * by;
			data[i] = from + i *by;
		}
	}
	
	static Range newRangeExclusive(final int from, final int to) {
		return new Range(from, to, 1);
	}
	
	static Range newRangeInclusive(final int from, final int to) {
		return new Range(from, to + 1, 1);
	}
	
	final int[] asArray() {
		return this.range.clone();
	}
	
	final double sum() {
		return Statistics.sumOf(data);
	}
	
	Range sliceInclusive(final int from, final int to) {
		return new Range(this.range[from], this.range[to + 1], 1);
	}
	
	Range sliceExclusive(final int from, final int to) {
		return new Range(this.range[from], this.range[to], 1);
	}

}