Pitney Bowes MapInfo Vertical Mapper - Manual (Page 175)

Aggregating Data
There are two methods of data aggregation: simple point aggregation and point
aggregation with statistics.
This section discusses:
• when to aggregate data
• how to aggregate data using simple point aggregation
• how to aggregate data using point aggregation with statistics
In this chapter:
Š Aggregating Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
Š When to Aggregate Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174
Š Techniques for Data Aggregation . . . . . . . . . . . . . . . . . . . . . . . . .174
Š Simple Point Aggregation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .175
Š Point Aggregation with Statistics . . . . . . . . . . . . . . . . . . . . . . . . .177
Š Building a Table of Standard Deviation Ellipses . . . . . . . . . . . . .183
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