- 2. Introduction to Data Analysis with Scala and Spark
- from Advanced Analytics with Spark, 2nd Edition
- Publisher: O'Reilly Media, Inc.
- Released: June 2017
Must use double quotation mark. Single quotation mark gives an error.
"linkage" here is the folder that have the block_*.csv files, as described above.
It also could be a directory, like "../linkage"
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