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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
syntax = "proto2";
option optimize_for = LITE_RUNTIME;
package segmentation_platform.proto;
// Describes how a feature will be aggregated inside a timed bucket for
// forming the input tensor to the model. |bucket_count| here refers to the
// field Feature.bucket_count. Buckets are listed in reverse order, so the
// first entry in the result will be the most recent.
enum Aggregation {
UNKNOWN = 0;
// TENSOR RESULT: Data type: int, Length: 1
// The number of events.
COUNT = 1;
// TENSOR RESULT: Data type: int, Length: 1
// If a COUNT aggregation yields 0, then False, else True.
COUNT_BOOLEAN = 2;
// TENSOR RESULT: Data type: int, Length: |bucket_count|
// Each entry is the count of times the event happened within each bucket.
BUCKETED_COUNT = 3;
// TENSOR RESULT: Data type: bool, Length: |bucket_count|
// Each entry is True if BUCKETED_COUNT for that bucket would yield > 0, else
// False.
BUCKETED_COUNT_BOOLEAN = 4;
// TENSOR RESULT: Data type: int, Length: 1
// The count of BUCKETED_COUNT_BOOLEAN True values over the same
// |bucket_count|.
BUCKETED_COUNT_BOOLEAN_TRUE_COUNT = 5;
// TENSOR RESULT: Data type: int, Length: |bucket_count|
// First value is the count for the current bucket.
// Second value is the count for the current + previous bucket.
// Third value is the count for the current + previous + before previous
// bucket, etc. The last value is the same value as a COUNT aggregation
// for the same |bucket_count|.
BUCKETED_CUMULATIVE_COUNT = 6;
// TENSOR RESULT: Data type: int, Length: 1
// Value for each User Action is 1.
// Sum of all values from now back to |bucket_count| number of buckets.
SUM = 7;
// TENSOR RESULT: Data type: bool, Length: 1
// If a SUM aggregation yields 0, then False, else True.
SUM_BOOLEAN = 8;
// TENSOR RESULT: Data type: int, Length: |bucket_count|
// Value for each User Action is 1.
// Each entry is the sum for that event within each bucket.
BUCKETED_SUM = 9;
// TENSOR RESULT: Data type: int, Length: |bucket_count|
// Value for each User Action is 1.
// Each entry is True if BUCKETED_SUM for that bucket would yield > 0, else
// False.
BUCKETED_SUM_BOOLEAN = 10;
// TENSOR RESULT: Data type: int, Length: 1
// The count of BUCKETED_SUM_BOOLEAN True values over the same |bucket_count|.
BUCKETED_SUM_BOOLEAN_TRUE_COUNT = 11;
// TENSOR RESULT: Data type: int, Length: |bucket_count|
// Value for each User Action is 1.
// First value is the sum for the current bucket.
// Second value is the sum for the current + previous bucket.
// Third value is the sum for the current + previous + before previous bucket,
// etc. The last value is the same value as a SUM aggregation for the same
// |bucket_count|.
BUCKETED_CUMULATIVE_SUM = 12;
// TENSOR RESULT: Data type: int, Length: 1
// The latest entry recorded for a feature. If no data is available,
// |default_value| will be returned instead. If you need an additional feature
// to tell if a value exists in the database or not, then consider using
// COUNT_BOOLEAN in addition.
// Warning: this will only consider the latest among the samples within the
// specified time range. This also may not have the most updated value since
// the histograms are stored to database asynchronously.
LATEST_OR_DEFAULT = 13;
}
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