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Part 2: Working with Projects and Tables
Three Important Rules for Working with Data in VPro
Rule 2: Use Site Unit Tables or Filters to Manage Smaller Sets of
Data within a Project
Filters and Site Unit tables are useful tools for organizing smaller sets of data. These tools
have two separate purposes:
•
Filters are useful when you want to temporarily view a small set of data that meets
specific criteria.
•
Site Unit Tables are useful when you want to classify data or create a permanent
Filter that can be used in future sessions.
The Difference Between a Site Unit Table and a Filter
A Site Unit table (SU Table) is a simple feature of VPro that allows you to use small
“dynasets” or a larger Project. SU Tables are also the main vehicles for assigning plots to
classification units. (For more information about Site Unit tables, see Part 4: Working with
Site Unit Tables.)
Filters are used to temporarily limit the data that appears in a form or table to a specified set
of criteria. (For more information about filtering data, see Part 5: Filtering Data in VPro.)
Figure 6. Sample Site Unit form, which is used to build and modify a Site Unit table.
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