[SPARK-8521] Feature Transformers in 1.5

• Type: Umbrella
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.5.0
• Component/s: ML
• Target Version/s: 1.5.0
• Assignee: Xiangrui Meng
• Reporter: Xiangrui Meng
• Created: 22/Jun/15 06:33
• Updated: 21/Aug/15 03:16
• Resolved: 19/Aug/15 17:28

Description

This is a list of feature transformers we plan to add in Spark 1.5. Feel free to propose useful transformers that are not on the list.

Issue Links

• contains: SPARK-7446 Inverse transform for StringIndexer
• is related to: SPARK-9930 Feature transformers in 1.6
• relates to: SPARK-5884 Implement feature transformers to ML pipelines for Spark 1.4

Sub-Tasks

• Add VectorSlicer: Resolved
• Add PCA transformer: Resolved
• Add CountVectorizer as a ml transformer to convert document to words count vector: Resolved
• Implement Discrete Cosine Transform feature transformer: Resolved
• Implement N-Gram Feature Transformer: Resolved
• Add MinMaxScaler to feature transformation: Resolved