value = $value; } /** * @return string */ public function getValue() { return $this->value; } /** * The variance (for example, square of the standard deviation) of the metric * value. If value is exact, variance is 0. Can be used to calculate margin of * error as a percentage of value, using the following formula, where Z is the * standard constant that depends on the preferred size of the confidence * interval (for example, for 90% confidence interval, use Z = 1.645): * marginOfError = 100 * Z * sqrt(variance) / value * * @param string $variance */ public function setVariance($variance) { $this->variance = $variance; } /** * @return string */ public function getVariance() { return $this->variance; } } // Adding a class alias for backwards compatibility with the previous class name. class_alias(MetricValue::class, 'Google_Service_AdExchangeBuyerII_MetricValue');