Package org.apache.mahout.math.hadoop

Class Summary
DistributedRowMatrix DistributedRowMatrix is a FileSystem-backed VectorIterable in which the vectors live in a SequenceFile, and distributed operations are executed as M/R passes on Hadoop.
DistributedRowMatrix.MatrixEntryWritable  
MatrixColumnMeansJob MatrixColumnMeansJob is a job for calculating the column-wise mean of a DistributedRowMatrix.
MatrixColumnMeansJob.MatrixColumnMeansMapper Mapper for calculation of column-wise mean.
MatrixColumnMeansJob.MatrixColumnMeansReducer The reducer adds the partial column-wise sums from each of the mappers to compute the total column-wise sum.
MatrixMultiplicationJob  
MatrixMultiplicationJob.MatrixMultiplicationReducer  
MatrixMultiplicationJob.MatrixMultiplyMapper  
TimesSquaredJob  
TimesSquaredJob.TimesMapper  
TimesSquaredJob.TimesSquaredMapper<T extends WritableComparable>  
TimesSquaredJob.VectorSummingReducer  
TransposeJob Transpose a matrix
TransposeJob.MergeVectorsCombiner  
TransposeJob.MergeVectorsReducer  
TransposeJob.TransposeMapper  
 



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