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Term Frequencies Chart

Mon, 11/29/2010 - 16:19 — CoreySlavnik
 Term Frequencies Chart shows how terms are distributed across document(s) in a corpus (documents are shown in the order in which they were added). The example below uses the play Macbeth and not the standard “entire plays of Shakespeare” corpus.

Getting Started

When you first arrive to the Term Frequencies Chart tool you will see one of two possible screens:

Term Frequencies Chart without a pre-loaded corpus. See loading texts into Voyeur for help on how to proceed.

Term Frequencies Chart with a pre-loaded corpus. You were probably given a URLA URL (Uniform Resource Locator), sometimes called a web address, is used to locate and identify web content. For more information, see the Wikipedia. Return to Glossary. that included the corpus, or you're viewing a page that has an embedded Voyeur tool in it. If you prefer, you can also start without a corpus.

Interface Elements

Term Frequencies Chart includes the standard set of interface elements (see image to the right). For more help with these see the Voyeur Tools Standard Interface Elements page.

Standard UI Elements

When you add analyze a corpus with Term Frequencies Grid, you will initially have common words at the top of the chart with colour codes. You will see lines within the graph which are coloured accordingly to those words. If you click on one of the terms at the top, it will omit that term from the graph.

Terms at the top of the chart

When we hover over the segment points, we can see the frequency of that term in that segment. So, in the example below the word “Macbeth” appears in the last tenth of the play Macbeth. If you click on the point, Voyeur will open a new window with detailed information of that segment and term within its Document KWICs tool.

Clicking on a segment point

If you click and drag on a section of the chart it will zoom in to that section. To reset the chart to its original state, click on “reset zoom”.

Zooming in on the chart

If you would like to see less or more segments on the chart, simply click on “Segments” at the bottom left of the chart to choose the desired segments.

Choosing segment amount

Exporting

Like all Voyeur tools, Term Frequencies Chart can be reused in a variety of ways:

  • create a link that is specific to the corpus and options that are currently being used
  • embed the current corpus and options as a tool in an external page

For more information see exporting and reusing Voyeur Tools.