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Spark Correlation Matrix

Tools & ServicesApache SparkStatistics
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This node computes the correlation matrix for the selected input columns using the MLlib Statistics package.

Node details

Input ports
  1. Type: Spark Data
    Spark DataFrame/RDD to compute
    Spark DataFrame/RDD to compute correlation matrix for.
Output ports
  1. Type: Spark Data
    Spark DataFrame/RDD correlation matrix
    Spark DataFrame/RDD representing the correlation matrix.
  2. Type: Table
    Correlation measure
    Correlation variables in a square matrix
  3. Type: Correlation
    Correlation Model
    A model containing the correlation measures. This model is appropriate to be read by the Spark Correlation Filter node.

Extension

The Spark Correlation Matrix node is part of this extension:

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Related workflows & nodes

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