Enroll Course: https://www.coursera.org/learn/data-wrangling-analysis-abtesting
In the ever-evolving world of data science, possessing strong SQL skills is indispensable. Coursera’s course ‘Data Wrangling, Analysis and AB Testing with SQL’ is an excellent pathway for data enthusiasts looking to sharpen their SQL capabilities while gaining hands-on experience through practical case studies. This course builds upon what you learn in ‘SQL for Data Science’ and amplifies your understanding through four essential modules that delve deeply into real-world data scenarios.
### Course Overview
The course is structured to incrementally elevate your SQL competencies. You’ll learn to convert timestamps into common formats, tackle complex joins, and clean datasets through deduplication and quality checks. The skills obtained here can be applied in any data role, making this course a must for aspiring data analysts or scientists.
### Module Breakdown
1. **Data of Unknown Quality**: This module focuses on navigating data that may not always be pristine. You will learn to identify unreliable data, discover reasons behind data gaps, and define new metrics to mitigate ambiguities in analysis.
2. **Creating Clean Datasets**: Here, you will explore various data types and how to transform unfiltered data into organized tables suitable for analysis. You’ll also understand the significance of separating data warehouses from production databases, an essential concept in data management.
3. **SQL Problem Solving**: A critical part of any data science inquiry involves asking the right questions. This module empowers you to map out SQL joins effectively and tackle vague or poorly worded data queries, enhancing your analytical problem-solving skills.
4. **Case Study: AB Testing**: The final module combines your SQL skills with practical AB testing setups. You will learn to formulate and test hypotheses around user behavior metrics, gaining insightful skills that will aid you in more advanced AB testing in future data-driven tasks.
### Why You Should Take This Course
This course is perfect for individuals who have a basic understanding of SQL and wish to expand their application in data analysis and AB testing. Through targeted learning and practical tasks, the course equips you with the knowledge to handle real-world data issues confidently. Each module is designed to challenge you intellectually yet remains engaging and informative.
In conclusion, if you’re looking to elevate your data wrangling and analysis skills with a strong foundation in SQL, then ‘Data Wrangling, Analysis and AB Testing with SQL’ on Coursera is the ideal course for you. It not only provides theoretical insights but also ensures that you apply what you learn through realistic case studies. Embarking on this course could very well be the key to advancing your data science career.
Enroll Course: https://www.coursera.org/learn/data-wrangling-analysis-abtesting