Special Topics in GIS Lab 2 Blog Post 2

 

This is a screenshot of my test points for the ABQ Layer.

In order to get the horizontal accuracy statements for both layers I ordered the data from smallest to largest based off of the horizontal axis error. Then, in order to get the 95% precision confidence number, I multiplied 20 by .95 and got 19. I then took the average of the values at the 19th and 20th slots and that was the number I used for my accuracy statements.

These are my accuracy statements:

ABQ Layer:

Positional Accuracy: Tested 1.78 meters horizontal accuracy at 95% confidence level.

Street Map Layer:

Positional Accuracy: Tested 161.78 meters horizontal accuracy at 95% confidence level.