Github user HyukjinKwon commented on a diff in the pull request: https://github.com/apache/spark/pull/22675#discussion_r226163959 --- Diff: docs/ml-datasource.md --- @@ -0,0 +1,49 @@ +--- +layout: global +title: Data sources +displayTitle: Data sources +--- + +In this section, we introduce how to use data source in ML to load data. +Beside some general data sources like Parquet, CSV, JSON, JDBC, we also provide some specific data source for ML. + +**Table of Contents** + +* This will become a table of contents (this text will be scraped). +{:toc} + +## Image data source + +This image data source is used to load image files from a directory. +The loaded DataFrame has one StructType column: "image". containing image data stored as image schema. --- End diff -- Where's describing each field?
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