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| import org.apache.spark.mllib.linalg.distributed.RowMatrix | |
| import org.apache.spark.mllib.linalg._ | |
| import org.apache.spark.{SparkConf, SparkContext} | |
| // To use the latest sparse SVD implementation, please build your spark-assembly after this | |
| // change: https://github.com/apache/spark/pull/1378 | |
| // Input tsv with 3 fields: rowIndex(Long), columnIndex(Long), weight(Double), indices start with 0 | |
| // Assume the number of rows is larger than the number of columns, and the number of columns is | |
| // smaller than Int.MaxValue |