Complementary Purchase Engine Template

Documentation

Please refer to http://docs.prediction.io/templates/complementarypurchase/quickstart/

Versions

v0.3.3

• change to sort by confidence instead of lift score and change default parameter values

v0.3.2

• lower the default minSupport and minConfidence parameter setting

v0.3.1

• Add minBasketSize algorithm parameter.

v0.3.0

• update for PredictionIO 0.9.2, including:

  • use new PEventStore API
  • use appName in DataSource parameter

v0.2.0

• update build.sbt and template.json for PredictionIO 0.9.2

v0.1.1

• Template name typo fix. Rename from "Complimentary" to "Complementary"

v0.1.0

• initial version (require PredictionIO >= 0.9.0)

Development Notes

import sample data

$ python data/import_eventserver.py --access_key <your_access_key>

sample query

$ curl -H "Content-Type: application/json" \
-d '{
  "items" : ["s2i1"],
  "num" : 3 }' \
http://localhost:8000/queries.json \
-w %{time_total}

curl -H "Content-Type: application/json" \
-d '{
  "items" : ["s2i1", "s2i3", "s1i2"],
  "num" : 3 }' \
http://localhost:8000/queries.json \
-w %{time_total}

$ curl -H "Content-Type: application/json" \
-d '{
  "items" : ["s1i2", "s1i1"],
  "num" : 4 }' \
http://localhost:8000/queries.json \
-w %{time_total}

$ curl -H "Content-Type: application/json" \
-d '{
  "items" : ["x", "s1i1"],
  "num" : 4 }' \
http://localhost:8000/queries.json \
-w %{time_total}

$ curl -H "Content-Type: application/json" \
-d '{
  "items" : ["i1"],
  "num" : 3 }' \
http://localhost:8000/queries.json \
-w %{time_total}

curl -H "Content-Type: application/json" \
-d '{
  "items" : ["p1", "p2", "p3"],
  "num" : 3 }' \
http://localhost:8000/queries.json \
-w %{time_total}

$ curl -H "Content-Type: application/json" \
-d '{
  "items" : ["i2", "i3"],
  "num" : 4 }' \
http://localhost:8000/queries.json \
-w %{time_total}