Add experiments examples #887
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| package com.google.ads.googleads.examples.experiments; | ||
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| import com.beust.jcommander.Parameter; | ||
| import com.google.ads.googleads.examples.utils.ArgumentNames; | ||
| import com.google.ads.googleads.examples.utils.CodeSampleParams; | ||
| import com.google.ads.googleads.lib.GoogleAdsClient; | ||
| import com.google.ads.googleads.v24.enums.BudgetDeliveryMethodEnum.BudgetDeliveryMethod; | ||
| import com.google.ads.googleads.v24.enums.ExperimentTypeEnum.ExperimentType; | ||
| import com.google.ads.googleads.v24.errors.GoogleAdsError; | ||
| import com.google.ads.googleads.v24.errors.GoogleAdsException; | ||
| import com.google.ads.googleads.v24.resources.CampaignBudget; | ||
| import com.google.ads.googleads.v24.common.Metrics; | ||
| import com.google.ads.googleads.v24.services.CampaignBudgetMapping; | ||
| import com.google.ads.googleads.v24.services.CampaignBudgetOperation; | ||
| import com.google.ads.googleads.v24.services.CampaignBudgetServiceClient; | ||
| import com.google.ads.googleads.v24.services.ExperimentServiceClient; | ||
| import com.google.ads.googleads.v24.services.GoogleAdsRow; | ||
| import com.google.ads.googleads.v24.services.GoogleAdsServiceClient; | ||
| import com.google.ads.googleads.v24.services.MutateCampaignBudgetsResponse; | ||
| import com.google.ads.googleads.v24.services.SearchGoogleAdsRequest; | ||
| import com.google.api.gax.longrunning.OperationFuture; | ||
| import com.google.protobuf.Empty; | ||
| import java.io.FileNotFoundException; | ||
| import java.io.IOException; | ||
| import java.util.Collections; | ||
| import java.util.UUID; | ||
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| /** | ||
| * This example illustrates how to retrieve performance metrics for an experiment. | ||
| * | ||
| * <p>It shows how to query statistical significance metrics for the experiment, | ||
| * and how to execute actions such as promoting, ending, or graduating an experiment. | ||
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Member
There was a problem hiding this comment. The name and description of this example don't make it obvious that running this will potentially modify the state of the experiment. |
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| */ | ||
| public class GetExperimentPerformance { | ||
| private static final double P_VALUE_THRESHOLD = 0.05; | ||
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| private static class GetExperimentPerformanceParams extends CodeSampleParams { | ||
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| @Parameter(names = ArgumentNames.CUSTOMER_ID, required = true) | ||
| private Long customerId; | ||
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| @Parameter(names = ArgumentNames.EXPERIMENT_ID, required = true) | ||
| private Long experimentId; | ||
| } | ||
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| public static void main(String[] args) { | ||
| GetExperimentPerformanceParams params = new GetExperimentPerformanceParams(); | ||
| if (!params.parseArguments(args)) { | ||
| throw new IllegalArgumentException("Invalid or missing command line arguments"); | ||
| } | ||
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| GoogleAdsClient googleAdsClient = null; | ||
| try { | ||
| googleAdsClient = GoogleAdsClient.newBuilder().fromPropertiesFile().build(); | ||
| } catch (FileNotFoundException fnfe) { | ||
| System.err.printf( | ||
| "Failed to load GoogleAdsClient configuration from file. Exception: %s%n", fnfe); | ||
| System.exit(1); | ||
| } catch (IOException ioe) { | ||
| System.err.printf("Failed to create GoogleAdsClient. Exception: %s%n", ioe); | ||
| System.exit(1); | ||
| } | ||
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| try { | ||
| new GetExperimentPerformance().runExample(googleAdsClient, params.customerId, params.experimentId); | ||
| } catch (GoogleAdsException gae) { | ||
| System.err.printf( | ||
| "Request ID %s failed due to GoogleAdsException. Underlying errors:%n", | ||
| gae.getRequestId()); | ||
| int i = 0; | ||
| for (GoogleAdsError googleAdsError : gae.getGoogleAdsFailure().getErrorsList()) { | ||
| System.err.printf(" Error %d: %s%n", i++, googleAdsError); | ||
| } | ||
| System.exit(1); | ||
| } | ||
| } | ||
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| /** | ||
| * Runs the example. | ||
| * | ||
| * @param googleAdsClient the googleAdsClient. | ||
| * @param customerId the customer ID. | ||
| * @param experimentId the experiment ID. | ||
| */ | ||
| private void runExample(GoogleAdsClient googleAdsClient, long customerId, long experimentId) { | ||
| try (GoogleAdsServiceClient googleAdsServiceClient = | ||
| googleAdsClient.getLatestVersion().createGoogleAdsServiceClient()) { | ||
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| String query = | ||
| String.format( | ||
| "SELECT " | ||
| + "experiment.resource_name, " | ||
| + "experiment.name, " | ||
| + "experiment.experiment_id, " | ||
| + "experiment.type, " | ||
| + "metrics.conversions_absolute_change_p_value, " | ||
| + "metrics.conversions_absolute_change_point_estimate, " | ||
| + "metrics.conversions_absolute_change_margin_of_error, " | ||
| + "metrics.clicks_p_value, " | ||
| + "metrics.clicks_point_estimate, " | ||
| + "metrics.clicks_margin_of_error " | ||
| + "FROM experiment " | ||
| + "WHERE experiment.experiment_id = %d", | ||
| experimentId); | ||
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| SearchGoogleAdsRequest request = | ||
| SearchGoogleAdsRequest.newBuilder() | ||
| .setCustomerId(Long.toString(customerId)) | ||
| .setQuery(query) | ||
| .build(); | ||
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| GoogleAdsServiceClient.SearchPagedResponse response = googleAdsServiceClient.search(request); | ||
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| boolean experimentFound = false; | ||
| for (GoogleAdsRow row : response.iterateAll()) { | ||
|
Member
There was a problem hiding this comment. Can you get multiple rows back, given you're filtering by |
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| experimentFound = true; | ||
| System.out.printf("Found experiment: %s%n", row.getExperiment().getName()); | ||
| System.out.printf(" Resource Name: %s%n", row.getExperiment().getResourceName()); | ||
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| evaluateExperiment(googleAdsClient, customerId, row); | ||
| } | ||
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| if (!experimentFound) { | ||
| System.out.printf("No experiment found for experiment ID: %d%n", experimentId); | ||
| } | ||
| } | ||
| } | ||
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| // [START get_experiment_performance_1] | ||
| private void evaluateExperiment(GoogleAdsClient googleAdsClient, long customerId, GoogleAdsRow row) { | ||
|
Member
There was a problem hiding this comment. Please add javadocs for each method |
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| Metrics metrics = row.getMetrics(); | ||
| String experimentResourceName = row.getExperiment().getResourceName(); | ||
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| double convPValue = metrics.getConversionsAbsoluteChangePValue(); | ||
| double convLift = metrics.getConversionsAbsoluteChangePointEstimate(); | ||
| double convError = metrics.getConversionsAbsoluteChangeMarginOfError(); | ||
| double convLowerBound = convLift - convError; | ||
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| if (convPValue <= P_VALUE_THRESHOLD) { | ||
| if (convLowerBound > 0) { | ||
| System.out.printf( | ||
| "Significant Success: Conversions increased. Even at the lower bound, the lift is %.2f. Promoting changes.%n", | ||
| convLowerBound); | ||
| promoteExperiment(googleAdsClient, customerId, experimentResourceName); | ||
| return; | ||
| } else if ((convLift + convError) < 0) { | ||
| System.out.printf( | ||
| "Significant Decline: Even the upper bound (%.2f) is below zero. Ending experiment.%n", | ||
| convLift + convError); | ||
| endExperiment(googleAdsClient, customerId, experimentResourceName); | ||
| return; | ||
| } | ||
| } | ||
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| double clickPValue = metrics.getClicksPValue(); | ||
| double clickLift = metrics.getClicksPointEstimate(); | ||
| double clickError = metrics.getClicksMarginOfError(); | ||
| double clickLowerBound = clickLift - clickError; | ||
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| if (clickPValue <= P_VALUE_THRESHOLD && clickLowerBound > 0) { | ||
| System.out.printf( | ||
| "Click volume is significantly up (+%.1f%%). Graduating treatment for further manual analysis.%n", | ||
| clickLift * 100); | ||
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| ExperimentType experimentType = row.getExperiment().getType(); | ||
| if (experimentType != ExperimentType.ADOPT_BROAD_MATCH_KEYWORDS | ||
| && experimentType != ExperimentType.ADOPT_AI_MAX) { | ||
| graduateExperiment(googleAdsClient, customerId, experimentResourceName); | ||
| } else { | ||
| System.out.println( | ||
| "Intra-campaign trial detected: Graduation is not supported because there is only one campaign. Continuing to run to gather more conversion data."); | ||
| } | ||
| } else { | ||
| System.out.printf( | ||
| "Inconclusive: No significant lift in Conversions (p=%.2f) or Clicks (p=%.2f). Current estimated lift: %.2f +/- %.2f. Continue running.%n", | ||
| convPValue, clickPValue, convLift, convError); | ||
| } | ||
| } | ||
| // [END get_experiment_performance_1] | ||
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| private void promoteExperiment(GoogleAdsClient googleAdsClient, long customerId, String experimentResourceName) { | ||
| try (ExperimentServiceClient experimentServiceClient = | ||
| googleAdsClient.getLatestVersion().createExperimentServiceClient()) { | ||
| OperationFuture<Empty, ?> operationResponse = | ||
| experimentServiceClient.promoteExperimentAsync(experimentResourceName); | ||
| System.out.printf("Started promotion for experiment: %s%n", experimentResourceName); | ||
| System.out.printf( | ||
| "The promotion is running asynchronously. You can track its progress using the long-running operation: %s%n", | ||
| operationResponse.getName()); | ||
| System.out.println( | ||
| "Best Practice: If the promotion fails, you can retrieve the full list of errors by calling ExperimentService.ListExperimentAsyncErrors."); | ||
| } catch (Exception e) { | ||
| System.out.printf("Failed to promote experiment: %s%n", e.getMessage()); | ||
| } | ||
| } | ||
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| private void endExperiment(GoogleAdsClient googleAdsClient, long customerId, String experimentResourceName) { | ||
| try (ExperimentServiceClient experimentServiceClient = | ||
| googleAdsClient.getLatestVersion().createExperimentServiceClient()) { | ||
| experimentServiceClient.endExperiment(experimentResourceName); | ||
| System.out.printf("Successfully ended experiment: %s%n", experimentResourceName); | ||
| } | ||
| } | ||
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| private void graduateExperiment(GoogleAdsClient googleAdsClient, long customerId, String experimentResourceName) { | ||
| String budgetResourceName; | ||
|
Member
There was a problem hiding this comment. Some line-level comments would be helpful since this method performs multiple steps |
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| try (CampaignBudgetServiceClient campaignBudgetServiceClient = | ||
| googleAdsClient.getLatestVersion().createCampaignBudgetServiceClient()) { | ||
| CampaignBudget campaignBudget = | ||
| CampaignBudget.newBuilder() | ||
| .setName("Graduated Experiment Budget #" + UUID.randomUUID()) | ||
| .setAmountMicros(50_000_000L) | ||
| .setDeliveryMethod(BudgetDeliveryMethod.STANDARD) | ||
| .build(); | ||
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| CampaignBudgetOperation operation = | ||
| CampaignBudgetOperation.newBuilder().setCreate(campaignBudget).build(); | ||
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| MutateCampaignBudgetsResponse response = | ||
| campaignBudgetServiceClient.mutateCampaignBudgets( | ||
| Long.toString(customerId), Collections.singletonList(operation)); | ||
| budgetResourceName = response.getResults(0).getResourceName(); | ||
| System.out.printf( | ||
| "Created new standalone campaign budget with resource name: %s%n", budgetResourceName); | ||
| } | ||
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| String treatmentCampaignResourceName = null; | ||
| try (GoogleAdsServiceClient googleAdsServiceClient = | ||
| googleAdsClient.getLatestVersion().createGoogleAdsServiceClient()) { | ||
| String query = | ||
| String.format( | ||
| "SELECT experiment_arm.campaigns FROM experiment_arm WHERE experiment_arm.experiment = '%s' AND experiment_arm.control = FALSE", | ||
| experimentResourceName); | ||
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| GoogleAdsServiceClient.SearchPagedResponse searchResponse = | ||
| googleAdsServiceClient.search(Long.toString(customerId), query); | ||
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| for (GoogleAdsRow row : searchResponse.iterateAll()) { | ||
| if (row.getExperimentArm().getCampaignsCount() > 0) { | ||
| treatmentCampaignResourceName = row.getExperimentArm().getCampaigns(0); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
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| if (treatmentCampaignResourceName == null) { | ||
| System.out.println("Could not find the treatment campaign associated with this experiment."); | ||
| return; | ||
| } | ||
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| try (ExperimentServiceClient experimentServiceClient = | ||
| googleAdsClient.getLatestVersion().createExperimentServiceClient()) { | ||
| CampaignBudgetMapping budgetMapping = | ||
| CampaignBudgetMapping.newBuilder() | ||
| .setExperimentCampaign(treatmentCampaignResourceName) | ||
| .setCampaignBudget(budgetResourceName) | ||
| .build(); | ||
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| experimentServiceClient.graduateExperiment( | ||
| experimentResourceName, Collections.singletonList(budgetMapping)); | ||
| System.out.printf( | ||
| "Successfully graduated experiment campaign %s with new budget %s%n", | ||
| treatmentCampaignResourceName, budgetResourceName); | ||
| } | ||
| } | ||
| } | ||
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nit: avoid e.g., per https://developers.google.com/style/word-list#eg