.isWithin(ALLOWED_ERROR)
        .of(SIXTEEN_SQUARES_DECILE_1);
    assertThat(dataset).usingExactEquality().containsExactlyElementsIn(SIXTEEN_SQUARES_DOUBLES);
  }

  public void testScale_index_computeInPlace_explicitVarargs() {
    assertThat(Quantiles.scale(10).index(5).computeInPlace(78.9, 12.3, 45.6))
        .isWithin(ALLOWED_ERROR)
        .of(45.6);
  }

        .isWithin(ALLOWED_ERROR)
        .of(SIXTEEN_SQUARES_DECILE_1);
    assertThat(dataset).usingExactEquality().containsExactlyElementsIn(SIXTEEN_SQUARES_DOUBLES);
  }

  public void testScale_index_computeInPlace_explicitVarargs() {
    assertThat(Quantiles.scale(10).index(5).computeInPlace(78.9, 12.3, 45.6))
        .isWithin(ALLOWED_ERROR)
        .of(45.6);
  }