Package org.apache.spark.util

Examples of org.apache.spark.util.StatCounter.sum()

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    union = union.cache();
    Assert.assertEquals(12, union.count());

    Assert.assertEquals(20, rdd.sum(), 0.01);
    StatCounter stats = rdd.stats();
    Assert.assertEquals(20, stats.sum(), 0.01);
    Assert.assertEquals(20/6.0, rdd.mean(), 0.01);
    Assert.assertEquals(20/6.0, rdd.mean(), 0.01);
    Assert.assertEquals(6.22222, rdd.variance(), 0.01);
    Assert.assertEquals(7.46667, rdd.sampleVariance(), 0.01);
    Assert.assertEquals(2.49444, rdd.stdev(), 0.01);
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    union = union.cache();
    Assert.assertEquals(12, union.count());

    Assert.assertEquals(20, rdd.sum(), 0.01);
    StatCounter stats = rdd.stats();
    Assert.assertEquals(20, stats.sum(), 0.01);
    Assert.assertEquals(20/6.0, rdd.mean(), 0.01);
    Assert.assertEquals(20/6.0, rdd.mean(), 0.01);
    Assert.assertEquals(6.22222, rdd.variance(), 0.01);
    Assert.assertEquals(7.46667, rdd.sampleVariance(), 0.01);
    Assert.assertEquals(2.49444, rdd.stdev(), 0.01);
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