org.apache.mahout.math.drm

DrmLike

trait DrmLike[K] extends AnyRef

Basic DRM trait.

Since we already call the package "sparkbindings", I will not use stem "spark" with classes in this package. Spark backing is already implied.

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  1. abstract def canHaveMissingRows: Boolean

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    protected[org.apache.mahout]
  2. abstract def checkpoint(cacheHint: CacheHint = CacheHint.MEMORY_ONLY): CheckpointedDrm[K]

    Action operator -- does not necessary means Spark action; but does mean running BLAS optimizer and writing down Spark graph lineage since last checkpointed DRM.

  3. abstract val context: DistributedContext

    Distributed context, can be implicitly converted to operations on org.apache.mahout.math.drm. DistributedEngine.

  4. abstract def keyClassTag: ClassTag[K]

    Explicit extraction of key class Tag since traits don't support context bound access; but actual implementation knows it

  5. abstract def ncol: Int

    R-like syntax for number of columns

  6. abstract def nrow: Long

    R-like syntax for number of rows.

  7. abstract def partitioningTag: Long

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    protected[org.apache.mahout]

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  1. final def !=(arg0: AnyRef): Boolean

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