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September 1, 2004 11:39 am, App_SWReference.fm
Appendix A Software Reference
A-20 Applied Biosystems 7900HT Fast Real-Time PCR System and SDS Enterprise Database User Guide
Using the Search Tool
Programming
Filters
The Search tool helps to organize the large set data in the Add files dialog box. The
Search tool allows the software to display a subset of the total number of plate
documents based on a set of predefined criteria.
The Search tool operates on a logic similar to a simple computer programming
language. Each filter consists of a single logical statement that instructs the software
to include or exclude plate documents based on a specific parameter or quality. The
statements can be concatenated to screen the displayed data based on multiple
criteria.
Search
Statements
The Search tool consists of a table in which each row represents a single statement
that tests the associated data set for a condition. Every time a row (or statement) is
added to the table, the software evaluates each plate document in the selected
directory for the condition defined by the statement. If a plate document meets the
criteria defined by the test (the test evaluates true), then the software displays it in the
Search Results list. If a plate document does not meet the criteria (the test evaluates
false), the software hides the document from view and excludes the data from the
analysis. As explained later in this section, the Search tool can evaluate multiple
expressions (many rows) to refine the data set.
Search Statement
Syntax
Figure A-1 shows a filter created in the Add Files dialog box that illustrates the basic
structure of all statements.
Figure A-1 Add Files dialog box
Logic Operator
A logical operator
(IF, AND, or OR)
Column Category
Describes the category
for the evaluation
Conditional Operator
Describes the nature of
the evaluation
Value Criteria
Contains the condition
for the evaluation
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