Standard Deviation is a statistical formula
measuring variance from the average for an entire set of data.
Software for Mapping Standard Deviation
Maptitude offers several
methods to calculate standard deviation, which can be useful for various
statistical analyses and thematic mapping. Here are the primary ways to
calculate standard deviation in Maptitude:
- Using the Statistics Option in a Dataview
Open a dataview for the desired layer and choose Dataview >
Statistics > Summary. Maptitude computes statistics on numeric
fields and opens a dataview showing the statistics, including
standard deviation.
- Creating a Formula Field
Choose Dataview > Formula Fields to display the Formula dialog
box and create a formula using the Statistics option to create a
formula field that includes the standard deviation of two or
more fields. This method is particularly useful for demographic
data.
- Standard Deviation Classification Method
When creating a color or pattern/symbol theme, you can use
the standard deviation method to split features into classes for
a specified number of standard deviations above and below the
average value.
- Programming with Python
Start Maptitude
and your Python script in a separate process. Use
the caliperpy package to call GISDK functions from your Python
script, which can include functions to calculate standard
deviation.
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