Setting options for system or user-defined indicators - Cloud - 8.0

Talend Studio User Guide

Version
Cloud
8.0
Language
English
Product
Talend Big Data
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Module
Talend Studio
Content
Design and Development
Last publication date
2024-02-22
Available in...

Big Data Platform

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Before you begin

A column analysis is open in the analysis editor. For more information, see Defining the columns to be analyzed.

About this task

You can define expected thresholds on the indicator's value. The threshold you define is used for measuring the quality of data. If the indicator's value is outside the defined threshold, then the data is of bad quality. You can define only one threshold or no threshold at all. You may set these thresholds either by value or by percentage with respect to the row count.

For more information about setting indicators, see Setting system or user-defined indicators.

Procedure

  1. In the Analyzed Columns view in the analysis editor, click Options icon next to the indicator.
  2. In the dialog box that opens, set the parameters for the given indicator.
    For example, if you want to flag if there are null values in the column you analyze, you can set 0 in the Upper threshold field for the Null Count indicator.
    Overview of the Indicator Settings dialog box.

    Indicators settings dialog boxes differ according to the parameters specific for each indicator. For more information about different indicator parameters, see Indicator parameters.

  3. Click Finish to close the dialog box.
  4. Save the analysis.