Frequency Graph Options - Teradata Warehouse Miner

Teradata Warehouse Miner User Guide - Volume 1Introduction and Profiling

Product
Teradata Warehouse Miner
Release Number
5.4.4
Published
July 2017
Language
English (United States)
Last Update
2018-05-03
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B035-2300
Product Category
Software
The following options are available, depending upon the parameterization of the Frequency analysis:
  • Select Frequency Column — Pull-down list containing variable names if more than one was selected. This will only be present if either the Compute Cross-Tabulation or Pair-wise Frequencies Options are NOT selected.
  • Show Frequency Counts — Radio button to display the individual frequency counts instead of cumulative counts. Only present if the Include cumulative measure and rank option is selected.
    • 2D Graph/3D Graph — All frequency graphs are available in two-dimensions. If the Compute Cross-Tabulation or Pair-wise Frequencies options are selected, both 2D and 3D graphs are available. When the Compute Cross-Tabulation option is selected with more than two variables, a 3D view is not available.
  • Show Cumulative Counts — Radio button to display the cumulative statistics in addition to the frequency counts. Only available if the Include cumulative measure and rank option is selected.
  • Select Col1/Select Col2 — Pull-down list containing all the variable names available for display when the Pair-wise Frequencies option is selected. The variable specified in the Select Col1: pull-down will be displayed on the x-axis in a three-dimensional view.
  • Show Counts and Statistics — Radio button to display the statistical values of the variables chosen by the Statistics Columns option, in addition to the frequency.
  • Select Stats column — Pull-down list containing variable names specified by the Statistics Columns option, if that option is selected.
  • Frequency Graph Types — There are five distinct graph types available for the Frequency analysis, once again depending upon the parameterization. These include the following:
    1. Basic Frequency
    2. Basic Frequency with Cumulative Stats
    3. Basic Frequency with Basic Stats
    4. Cross-tabulated Frequency
    5. Cross-tabulated Frequency with Cumulative Stats
    6. Pair-wise Frequency
    There are some practical limitations on the Cross-tabulated Frequency (i.e., the Compute Cross-Tabulation was selected) graphs. These are documented below:
    • Cross-tabulated Frequency — A Cross-Tabulation graph will provide the best display if the non-numeric values selected within the groups are limited to 8 and 15, depending on the number of columns selected. The specific limits are:
      Cross-Tabulated Frequency Limits
      Number Of Columns Distinct Values Displayed
      >5 Column Cross-Tabulation Graph is not generated
      5 Column Cross-Tabulation 8 categorical values
      4 Column Cross-Tabulation 10 categorical values
      3 Column Cross-Tabulation 12 categorical values
      2 Column Cross-Tabulation 15 categorical values