Data Analysis with Python – Free Course by Cognitive Class (IBM)

 

Want to master data analysis using Python? Whether you're an aspiring data analyst, data scientist, or simply curious about data-driven decision making, the Data Analysis with Python course by Cognitive Class (by IBM) is a must-try — and it’s 100% FREE!

---

🧾 Course Overview

This self-paced course focuses on teaching you how to analyze data using the most popular Python libraries — like Pandas, Numpy, and Scipy — and visualize data using Matplotlib, Seaborn, and Folium.

🔹 Platform: Cognitive Class (by IBM)
🔹 Difficulty: Intermediate
🔹 Duration: ~20 hours
🔹 Cost: Free
🔹 Certificate: Yes, from IBM

---

📚 What You’ll Learn

The course is well-structured into several modules that walk you through everything from importing data to building regression models.

🔹 1. Importing Datasets

• Reading data from different file types (CSV, Excel, SQL)

• Exploring and cleaning datasets using Pandas

🔹 2. Data Wrangling

• Identifying and handling missing values

• Data formatting and normalization

• Binning and indicator variables

🔹 3. Exploratory Data Analysis (EDA)

• Grouping, pivoting, and summarizing data

• Detecting outliers and understanding distributions

• Using boxplots, histograms, and scatter plots

🔹 4. Model Development

• Introduction to machine learning models

• Linear regression and multiple regression

• Model evaluation metrics (MAE, MSE, R²)

🔹 5. Model Evaluation and Refinement

• Splitting data into training and testing sets

• Cross-validation and ridge regression

• Refining models for better accuracy

---

📈 Tools & Libraries Covered

• Pandas – For data manipulation

• NumPy – For numerical operations

• Matplotlib & Seaborn – For visualization

• Scikit-learn – For model building

• Statsmodels, Folium, and more

---

🎓 Certificate of Completion

Complete the course and receive a verified certificate by IBM – a great way to validate your skills and showcase them on LinkedIn or your resume.

---

✅ Why Take This Course?

✅ Practical & Project-Based
✅ Hands-on Labs with Jupyter Notebooks
✅ Real-world datasets used in analysis
✅ Recognized IBM certificate
✅ Absolutely Free! No hidden costs

---

💬 Learner Reviews

“I finally understand how to clean, analyze, and visualize data. The concepts were easy to grasp with examples that felt real.”

“This course helped me get my first freelance data analysis project!”

---

🚀 Who Should Take This?

• Data science and AI beginners

• Business analysts & engineers

• Anyone who has basic Python knowledge and wants to apply it to real-world datasets

---

🔗 How to Enroll

👉 Visit: https://cognitiveclass.ai/courses/data-analysis-python
👉 Sign up for a free account
👉 Enroll and start learning today!

---

✍ Final Thoughts

Data is the new oil, and this course teaches you how to refine it!

Whether you're aiming for a career in data science, improving your current job skills, or just exploring the data world out of curiosity, the Data Analysis with Python course is a perfect launchpad.

Offered by IBM, backed by practical labs, and 100% free — there’s no reason to wait.