214 lines
4.5 KiB
Markdown
214 lines
4.5 KiB
Markdown
---
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layout: default
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title: Train and predict
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parent: Train and Predict APIs
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grand_parent: ML Commons APIs
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nav_order: 10
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---
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## Train and predict
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Use to train and then immediately predict against the same training dataset. Can only be used with unsupervised learning models and the following algorithms:
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- `BATCH_RCF`
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- `FIT_RCF`
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- `k-means`
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#### Example request: Train and predict with indexed data
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```json
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POST /_plugins/_ml/_train_predict/kmeans
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{
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"parameters": {
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"centroids": 2,
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"iterations": 10,
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"distance_type": "COSINE"
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},
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"input_query": {
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"query": {
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"bool": {
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"filter": [
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{
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"range": {
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"k1": {
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"gte": 0
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}
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}
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}
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]
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}
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},
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"size": 10
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},
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"input_index": [
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"test_data"
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]
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}
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```
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{% include copy-curl.html %}
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#### Example request: Train and predict with data directly
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```json
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POST /_plugins/_ml/_train_predict/kmeans
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{
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"parameters": {
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"centroids": 2,
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"iterations": 1,
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"distance_type": "EUCLIDEAN"
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},
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"input_data": {
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"column_metas": [
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{
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"name": "k1",
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"column_type": "DOUBLE"
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},
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{
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"name": "k2",
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"column_type": "DOUBLE"
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}
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],
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"rows": [
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{
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"values": [
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{
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"column_type": "DOUBLE",
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"value": 1.00
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},
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{
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"column_type": "DOUBLE",
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"value": 2.00
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}
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]
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},
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{
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"values": [
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{
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"column_type": "DOUBLE",
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"value": 1.00
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},
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{
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"column_type": "DOUBLE",
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"value": 4.00
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}
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]
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},
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{
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"values": [
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{
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"column_type": "DOUBLE",
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"value": 1.00
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},
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{
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"column_type": "DOUBLE",
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"value": 0.00
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}
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]
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},
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{
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"values": [
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{
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"column_type": "DOUBLE",
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"value": 10.00
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},
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{
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"column_type": "DOUBLE",
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"value": 2.00
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}
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]
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},
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{
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"values": [
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{
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"column_type": "DOUBLE",
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"value": 10.00
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},
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{
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"column_type": "DOUBLE",
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"value": 4.00
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}
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]
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},
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{
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"values": [
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{
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"column_type": "DOUBLE",
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"value": 10.00
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},
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{
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"column_type": "DOUBLE",
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"value": 0.00
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}
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]
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}
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]
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}
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}
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```
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{% include copy-curl.html %}
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#### Example response
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```json
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{
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"status" : "COMPLETED",
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"prediction_result" : {
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"column_metas" : [
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{
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"name" : "ClusterID",
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"column_type" : "INTEGER"
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}
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],
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"rows" : [
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{
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"values" : [
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{
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"column_type" : "INTEGER",
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"value" : 1
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}
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]
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},
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{
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"values" : [
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{
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"column_type" : "INTEGER",
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"value" : 1
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}
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]
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},
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{
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"values" : [
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{
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"column_type" : "INTEGER",
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"value" : 1
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}
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]
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},
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{
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"values" : [
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{
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"column_type" : "INTEGER",
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"value" : 0
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}
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]
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},
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{
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"values" : [
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{
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"column_type" : "INTEGER",
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"value" : 0
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}
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]
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},
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{
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"values" : [
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{
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"column_type" : "INTEGER",
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"value" : 0
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}
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]
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}
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]
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}
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}
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``` |