NodeSpark Correlation Matrix

Other

This node computes the correlation matrix for the selected input columns using the MLlib Statistics package.

Input Ports

  1. Port Type: Spark Data
    Spark DataFrame/RDD to compute correlation matrix for.

Output Ports

  1. Port Type: Spark Data
    Spark DataFrame/RDD representing the correlation matrix.
  2. Port Type: Data
    Correlation variables in a square matrix
  3. Port Type: Correlation
    A model containing the correlation measures. This model is appropriate to be read by the Spark Correlation Filter node.