执行算法
某些算法，例如本地化 (Localization)，不需要训练模型。您可以使用execute API 运行无模型算法。
端点
POST _plugins/_ml/_execute/<algorithm_name>
示例请求：执行本地化
以下示例使用本地化算法查找聚合数据（例如，按时间聚合）的子集级别信息，这些信息显示了感兴趣的活动，例如峰值、下降、变化或异常。
POST /_plugins/_ml/_execute/anomaly_localization
{
"index_name": "rca-index",
"attribute_field_names": [
"attribute"
],
"aggregations": [
{
"sum": {
"sum": {
"field": "value"
}
}
}
],
"time_field_name": "timestamp",
"start_time": 1620630000000,
"end_time": 1621234800000,
"min_time_interval": 86400000,
"num_outputs": 10
}
示例响应
{
"results" : [
{
"name" : "sum",
"result" : {
"buckets" : [
{
"start_time" : 1620630000000,
"end_time" : 1620716400000,
"overall_aggregate_value" : 65.0
},
{
"start_time" : 1620716400000,
"end_time" : 1620802800000,
"overall_aggregate_value" : 75.0,
"entities" : [
{
"key" : [
"attr0"
],
"contribution_value" : 1.0,
"base_value" : 2.0,
"new_value" : 3.0
},
{
"key" : [
"attr1"
],
"contribution_value" : 1.0,
"base_value" : 3.0,
"new_value" : 4.0
},
{
"key" : [
"attr2"
],
"contribution_value" : 1.0,
"base_value" : 4.0,
"new_value" : 5.0
},
{
"key" : [
"attr3"
],
"contribution_value" : 1.0,
"base_value" : 5.0,
"new_value" : 6.0
},
{
"key" : [
"attr4"
],
"contribution_value" : 1.0,
"base_value" : 6.0,
"new_value" : 7.0
},
{
"key" : [
"attr5"
],
"contribution_value" : 1.0,
"base_value" : 7.0,
"new_value" : 8.0
},
{
"key" : [
"attr6"
],
"contribution_value" : 1.0,
"base_value" : 8.0,
"new_value" : 9.0
},
{
"key" : [
"attr7"
],
"contribution_value" : 1.0,
"base_value" : 9.0,
"new_value" : 10.0
},
{
"key" : [
"attr8"
],
"contribution_value" : 1.0,
"base_value" : 10.0,
"new_value" : 11.0
},
{
"key" : [
"attr9"
],
"contribution_value" : 1.0,
"base_value" : 11.0,
"new_value" : 12.0
}
]
},
...
]
}
}
]
}