После создания эксперимента вам необходимо создать несколько его ветвей, чтобы предоставить эксперименту больше информации о том, что именно вы тестируете.
Экспериментальные руки
ExperimentArm представляет собой часть сравнения, которое вы проводите в рамках эксперимента. Во всех экспериментах всегда должна быть ровно одна контрольная группа . Эта группа представляет собой существующую кампанию, которая служит основой для сравнения другой группы.
Другие группы называются группами лечения, и в этих группах вы вносите изменения в кампанию до начала эксперимента.
ExperimentArm также содержит параметр traffic_split . Он позволяет указать процент трафика, направляемого в каждую из ветвей эксперимента. Для каждой ветви необходимо задать распределение трафика, а сумма значений распределения трафика во всех ветвях должна составлять 100.
Из-за этого ограничения на разделение трафика все экспериментальные группы должны быть созданы в одном запросе.
Пример кода
Ява
private String createExperimentArms( GoogleAdsClient googleAdsClient, long customerId, long campaignId, String experiment) { List<ExperimentArmOperation> operations = new ArrayList<>(); operations.add( ExperimentArmOperation.newBuilder() .setCreate( // The "control" arm references an already-existing campaign. ExperimentArm.newBuilder() .setControl(true) .addCampaigns(ResourceNames.campaign(customerId, campaignId)) .setExperiment(experiment) .setName("control arm") .setTrafficSplit(40) .build()) .build()); operations.add( ExperimentArmOperation.newBuilder() .setCreate( // The non-"control" arm, also called a "treatment" arm, will automatically // generate draft campaigns that you can modify before starting the experiment. ExperimentArm.newBuilder() .setControl(false) .setExperiment(experiment) .setName("experiment arm") .setTrafficSplit(60) .build()) .build()); try (ExperimentArmServiceClient experimentArmServiceClient = googleAdsClient.getLatestVersion().createExperimentArmServiceClient()) { // Constructs the mutate request. MutateExperimentArmsRequest mutateRequest = MutateExperimentArmsRequest.newBuilder() .setCustomerId(Long.toString(customerId)) .addAllOperations(operations) // We want to fetch the draft campaign IDs from the treatment arm, so the easiest way to do // that is to have the response return the newly created entities. .setResponseContentType(ResponseContentType.MUTABLE_RESOURCE) .build(); // Sends the mutate request. MutateExperimentArmsResponse response = experimentArmServiceClient.mutateExperimentArms(mutateRequest); // Results always return in the order that you specify them in the request. Since we created // the treatment arm last, it will be the last result. If you don't remember which arm is the // treatment arm, you can always filter the query in the next section with // `experiment_arm.control = false`. MutateExperimentArmResult controlArmResult = response.getResults(0); MutateExperimentArmResult treatmentArmResult = response.getResults( response.getResultsCount() - 1); System.out.printf("Created control arm with resource name '%s'%n", controlArmResult.getResourceName()); System.out.printf("Created treatment arm with resource name '%s'%n", treatmentArmResult.getResourceName()); return treatmentArmResult.getExperimentArm().getInDesignCampaigns(0); } }
С#
/// <summary> /// Creates the experiment arms. /// </summary> /// <param name="client">The Google Ads client.</param> /// <param name="customerId">The customer ID for which the call is made.</param> /// <param name="baseCampaignId">ID of the campaign for which the control arm is /// created.</param> /// <param name="experimentResourceName">Resource name of the experiment.</param> /// <returns>The control and treatment arms.</returns> private static (MutateExperimentArmResult, MutateExperimentArmResult) CreateExperimentArms(GoogleAdsClient client, long customerId, long baseCampaignId, string experimentResourceName) { // Get the ExperimentArmService. ExperimentArmServiceClient experimentService = client.GetService( Services.V22.ExperimentArmService); // Create the control arm. The control arm references an already-existing campaign. ExperimentArmOperation controlArmOperation = new ExperimentArmOperation() { Create = new ExperimentArm() { Control = true, Campaigns = { ResourceNames.Campaign(customerId, baseCampaignId) }, Experiment = experimentResourceName, Name = "Control Arm", TrafficSplit = 40 } }; // Create the non-control arm. The non-"control" arm, also called a "treatment" arm, // will automatically generate draft campaigns that you can modify before starting the // experiment. ExperimentArmOperation treatmentArmOperation = new ExperimentArmOperation() { Create = new ExperimentArm() { Control = false, Experiment = experimentResourceName, Name = "Experiment Arm", TrafficSplit = 60 } }; // We want to fetch the draft campaign IDs from the treatment arm, so the // easiest way to do that is to have the response return the newly created // entities. MutateExperimentArmsRequest request = new MutateExperimentArmsRequest { CustomerId = customerId.ToString(), Operations = { controlArmOperation, treatmentArmOperation }, ResponseContentType = ResponseContentType.MutableResource }; MutateExperimentArmsResponse response = experimentService.MutateExperimentArms( request ); // Results always return in the order that you specify them in the request. // Since we created the treatment arm last, it will be the last result. MutateExperimentArmResult controlArm = response.Results.First(); MutateExperimentArmResult treatmentArm = response.Results.Last(); Console.WriteLine($"Created control arm with resource name " + $"'{controlArm.ResourceName}."); Console.WriteLine($"Created treatment arm with resource name" + $" '{treatmentArm.ResourceName}'."); return (controlArm, treatmentArm); }
PHP
private static function createExperimentArms( GoogleAdsClient $googleAdsClient, int $customerId, int $campaignId, string $experimentResourceName ): string { $operations = []; $experimentArm1 = new ExperimentArm([ // The "control" arm references an already-existing campaign. 'control' => true, 'campaigns' => [ResourceNames::forCampaign($customerId, $campaignId)], 'experiment' => $experimentResourceName, 'name' => 'control arm', 'traffic_split' => 40 ]); $operations[] = new ExperimentArmOperation(['create' => $experimentArm1]); $experimentArm2 = new ExperimentArm([ // The non-"control" arm, also called a "treatment" arm, will automatically // generate draft campaigns that you can modify before starting the // experiment. 'control' => false, 'experiment' => $experimentResourceName, 'name' => 'experiment arm', 'traffic_split' => 60 ]); $operations[] = new ExperimentArmOperation(['create' => $experimentArm2]); // Issues a request to create the experiment arms. $experimentArmServiceClient = $googleAdsClient->getExperimentArmServiceClient(); $response = $experimentArmServiceClient->mutateExperimentArms( MutateExperimentArmsRequest::build($customerId, $operations) // We want to fetch the draft campaign IDs from the treatment arm, so the easiest // way to do that is to have the response return the newly created entities. ->setResponseContentType(ResponseContentType::MUTABLE_RESOURCE) ); // Results always return in the order that you specify them in the request. // Since we created the treatment arm last, it will be the last result. $controlArmResourceName = $response->getResults()[0]->getResourceName(); $treatmentArm = $response->getResults()[count($operations) - 1]; print "Created control arm with resource name '$controlArmResourceName'" . PHP_EOL; print "Created treatment arm with resource name '{$treatmentArm->getResourceName()}'" . PHP_EOL; return $treatmentArm->getExperimentArm()->getInDesignCampaigns()[0]; }