org.apache.mahout.clustering.spectral
Class UnitVectorizerJob
java.lang.Object
org.apache.mahout.clustering.spectral.UnitVectorizerJob
public final class UnitVectorizerJob
- extends Object
Given a DistributedRowMatrix, this job normalizes each row to unit
vector length. If the input is a matrix U, and the output is a matrix
W, the job follows:
v_ij = u_ij / sqrt(sum_j(u_ij * u_ij))
Method Summary |
static void |
runJob(org.apache.hadoop.fs.Path input,
org.apache.hadoop.fs.Path output)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
runJob
public static void runJob(org.apache.hadoop.fs.Path input,
org.apache.hadoop.fs.Path output)
throws IOException,
InterruptedException,
ClassNotFoundException
- Throws:
IOException
InterruptedException
ClassNotFoundException
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