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.

10 Best Programming Courses for 2025

Unlock 800+ Free Certificates: Master Tech & Soft Skills with CodeSignal Learn

After Academia and Finance, Coursera Turns to Amazon for its Next CEO

[2025] 450+ Free Google Certificates and Badges

12 Best Data Science Courses for 2025

How Online Course Platforms Track Learners in 2022

[2025] Massive List of Thousands of Free Certificates and Badges

OKR Certification Course: A Path to Renewed Enthusiasm and Productivity

10 Best Organic Chemistry Courses for 2025

7 Best Kubernetes Courses for 2025

AI Prompting with Google: From Beginner to Certified

Exploring edX’s “Final” Tax Returns: Revenue Surges, Losses Mount, and Contributions Decline

The Business of Online Education: Khan Academy Tax Returns Analysis (2008–2021)

11 Best TypeScript Courses for 2025

20 Most Cited Research Papers on MOOCs

The Business of Online Education: A Deep Dive Into Thinkific’s Financials