ArcGIS for JavaScript Developers by Example

Basic statistical measures

Let's discuss some basic statistics so that we can utilize some of the statistical functionality provided by the API to the fullest extent. The five basic statistical parameters we may need to understand clearly before proceeding further are:

• Minimum
• Maximum
• Average
• Standard deviation
• Standardization

Minimum

As the name suggests, this implies the least value in a dataset. In our case of the block-level household income, the minimum statistic indicates the block with the least median household income.

Maximum

Similar to the minimum, the maximum statistic defines the maximum median household income value among all the blocks considered.

Sum

Sum is a simple yet effective statistic that gives us the total value of all the data being ...