Method getVectorCovariance

core/src/main/java/io/ddf/DDF.java:1102–1105

(String xColumnName, String yColumnName)

  }

  public Double getVectorCovariance(String xColumnName, String yColumnName) throws DDFException {
    // TODO need to check columnName
    return this.getStatisticsSupporter().getVectorCovariance(xColumnName, yColumnName);
  }

  public Double getVectorMin(String columnName) throws DDFException {
    // TODO need to check columnName