Learning Outcomes

Data Quality and Measures

Positional Accuracy and Source of Errors

Classification Accuracy and Pixel Errors

Spatial Data Editing and Transformations

Map Display and Visualization in GIS

Lesson Summary

This module explores data quality, the different data measures, data assessment techniques, and errors that they may have. You will learn about the aspects considered for data accuracy, the factors affecting spatial data quality, and the sources of error in spatial data. You will also learn about map display and visualization in GIS.

Introduction to GPS

GPS: Working and Signals

GPS Errors and DGPS

GNSS and Applications

Introduction to QGIS

This module explores the global positioning system. You will learn about the history of the global positioning system, the working principles, GPS satellite signals, and errors in GPS. You will also learn about the global navigation satellite system and an introduction to QGIS.

GIS Data Quality and Geographic Positioning System - Course Assessment

Learn about data quality in geographic information system and global positioning system in this free online course.

GIS Data Quality and Geographic Positioning System

This free online course will help you to gain an understanding of data quality in geographic information systems. You will be introduced to data assessment techniques, and the errors they may have. This will bring you up to speed with the aspects considered for data accuracy, the factors affecting spatial data quality, and the sources of error in spatial data. You will then learn about the map display and the global navigation satellite systems.

262K Courses, 833M Enrollments: Breaking Down Udemy’s Massive Catalog

12 Best Data Analysis Courses for 2025: From Data to Insights

Coursera Growth Stalls, Leadership Changes as Stock Hits All-Time Low

Coursera’s New Deal with Google Could Cost the Company Millions

9 Best Cinema 4D Courses for 2025: Navigating the 3D Universe

Harvard CS50 in 2025: How to Get a Free Certificate

30 Hours of MATLAB Courses with Free Certificate

2025’s Online Education Shakeup Claims Another: Skillshare’s CEO Departs

Harvard Launches Two New Free Certificate Courses

30+ Holiday Discounts & Online Learning Deals

5 Best Free Raspberry Pi Courses for Beginners in 2025

10 Best Free Rust Courses for 2025: Write Memory-Safe Code

Duolingo is Shutting Down Its Only Classroom Tool

6 Best Free OCaml Courses for 2025

Inside the Coursera-Udemy Deal: Three Bids, Two Years and a Rival Suitor

6,000+ Online Courses from California Community Colleges: A New Search Tool by Class Central