Get the moving average of the given array. - Android java.lang

Android examples for java.lang:array calculation

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Description

Get the moving average of the given array.

Demo Code

/*/*from   w w  w  .  j a v a  2  s.co m*/
 * This source is part of the
 *      _____  ___   ____
 *  __ / / _ \/ _ | / __/___  _______ _
 * / // / , _/ __ |/ _/_/ _ \/ __/ _ `/
 * \___/_/|_/_/ |_/_/ (_)___/_/  \_, /
 *                              /___/
 * repository.
 *
 * Copyright (C) 2013-2014 Benoit 'BoD' Lubek (BoD@JRAF.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main{
    /**
     * Get the moving average of the given array.
     * 
     * @param values The array for which to calculate the moving average.
     * @param period The period to use (number of values to average).
     * @return the average.
     */
    public static float[] getMovingAverage(float[] values, int period) {
        float[] res = new float[values.length];
        MovingAverage movingAverage = new MovingAverage(period);
        int i = 0;
        for (float v : values) {
            movingAverage.add(v);
            res[i] = movingAverage.getAverage();
            i++;
        }
        return res;
    }
    /**
     * Get the average of the given array.
     * 
     * @param values The array for which to calculate the average.
     * @return the average.
     */
    public static float getAverage(float... values) {
        float sum = 0;
        for (float val : values) {
            sum += val;
        }
        return sum / values.length;
    }
}

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