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TIBCO Spotfire: A Comprehensive Primer

You're reading from   TIBCO Spotfire: A Comprehensive Primer Create innovative enterprise-class informatics solutions using TIBCO Spotfire

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Product type Paperback
Published in Feb 2015
Publisher Packt
ISBN-13 9781782176404
Length 348 pages
Edition 1st Edition
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Author (1):
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Michael Phillips Michael Phillips
Author Profile Icon Michael Phillips
Michael Phillips
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Table of Contents (12) Chapters Close

Preface 1. Show Me the Data FREE CHAPTER 2. Visualize This! 3. Analyze That! 4. The Big Wide World of Spotfire 5. Source Data is Never Enough 6. The World is Your Visualization 7. What's Your Location? 8. The Secret Life of Python 9. It's All About Self-service These Days 10. Beyond the Horizon Index

Manipulating data already loaded into Spotfire


There are many ways to manipulate the data in an analysis file using the Spotfire.Dxp.Data namespace, but the three most common activities are navigating a table to look up values, marking/selecting data, and creating and changing calculated columns. These are the three areas we're going to cover in this section.

Reading a table

The ability to read a data table using a script is a very useful tool, allowing you, for example, to drive actions based on the values in a metadata table. It's also very easy to do. You just need to define cursors for the columns you want to read and then iterate through the table's rows, inspecting the values of these cursors as you go. The data table object is the key to this activity; so, just to recap, you get a data table object as follows:

dataTable = Document.Data.Tables.TryGetValue(Name of data table)[1]

Action

Property or Method

Define a string cursor

DataValueCursor.CreateFormatted(dataTable.Columns[Column...

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