Loading...

Data Science

329 learners

Regression Analysis to Model Diamond Prices

Final stop to implement regression analysis to model diamond prices based on various features. Learn to train, predict, and evaluate model performance.

MatPlotLib

Pandas

Scikit-learn

Seaborn

See path

5 lessons

25 practices

2 hours

Exploratory Data Analysis and Visualization

Lessons and practices

Lesson 1: Splitting Data into Train and Test Sets

Changing the Split Ratio

Fix the Dataset Split

Splitting Dataset Correctly

Split the Dataset

Split Diamonds Data Correctly

Lesson 2: Training a Linear Regression Model

Change Train-Test Split Seed

Fix Common Data Processing Errors

Train Linear Regression Model

Train Your First Linear Model

Train a Linear Regression Model from Scratch

Lesson 3: Making Predictions and Evaluating Model

Change Training and Testing Size

Fix the Prediction Model

Predict and Evaluate Diamond Prices

Train and Evaluate the Model

Write a Linear Regression Model

Lesson 4: Visualizing Actual vs Predicted Prices in Regression Models

Impact of Train-Test Split and Variable Choices

Fix the Visualization Code

Visualizing Model Predictions

Visualize Diamond Price Predictions

Visualize Model Predictions from Scratch

Lesson 5: Advanced Regression Analysis with Random Forests

Enhance Random Forest Model Performance

Fix the Random Forest Model

Create and Train a Random Forest Regressor

Add Missing Random Forest Code

Random Forest Regressor from Scratch

Meet Cosmo:

The smartest AI guide in the universe

Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.