The full dataset viewer is not available (click to read why). Only showing a preview of the rows.
Error code: DatasetGenerationCastError
Exception: DatasetGenerationCastError
Message: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 1 new columns ({'course_id'})
This happened while the csv dataset builder was generating data using
hf://datasets/Daniel-1109/CoursePilot/final_learning_data_clean.csv (at revision 2ed28b17d3b9032091835d90cbe4e5ee151cae29)
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1831, in _prepare_split_single
writer.write_table(table)
File "/usr/local/lib/python3.12/site-packages/datasets/arrow_writer.py", line 714, in write_table
pa_table = table_cast(pa_table, self._schema)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2272, in table_cast
return cast_table_to_schema(table, schema)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/table.py", line 2218, in cast_table_to_schema
raise CastError(
datasets.table.CastError: Couldn't cast
course_id: int64
course_name: string
topic: string
difficulty: string
duration_weeks: double
price_usd: double
learning_outcome: string
rating: double
-- schema metadata --
pandas: '{"index_columns": [{"kind": "range", "name": null, "start": 0, "' + 1222
to
{'course_name': Value('string'), 'topic': Value('string'), 'difficulty': Value('string'), 'duration_weeks': Value('float64'), 'price_usd': Value('float64'), 'learning_outcome': Value('string'), 'rating': Value('float64')}
because column names don't match
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1339, in compute_config_parquet_and_info_response
parquet_operations = convert_to_parquet(builder)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 972, in convert_to_parquet
builder.download_and_prepare(
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 894, in download_and_prepare
self._download_and_prepare(
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 970, in _download_and_prepare
self._prepare_split(split_generator, **prepare_split_kwargs)
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1702, in _prepare_split
for job_id, done, content in self._prepare_split_single(
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.12/site-packages/datasets/builder.py", line 1833, in _prepare_split_single
raise DatasetGenerationCastError.from_cast_error(
datasets.exceptions.DatasetGenerationCastError: An error occurred while generating the dataset
All the data files must have the same columns, but at some point there are 1 new columns ({'course_id'})
This happened while the csv dataset builder was generating data using
hf://datasets/Daniel-1109/CoursePilot/final_learning_data_clean.csv (at revision 2ed28b17d3b9032091835d90cbe4e5ee151cae29)
Please either edit the data files to have matching columns, or separate them into different configurations (see docs at https://hf.co/docs/hub/datasets-manual-configuration#multiple-configurations)Need help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
course_name
string | topic
string | difficulty
string | duration_weeks
float64 | price_usd
float64 | learning_outcome
string | rating
float64 |
|---|---|---|---|---|---|---|
Flutter Crash Course: From Beginner to Expert
|
Mobile App Development
|
Beginner
| 4
| 19.99
|
Build your first app and gain a strong foundation in Flutter.
| 95
|
Flutter: Build iOS and Android Apps with Dart
|
Mobile App Development
|
Intermediate
| 6
| 29.99
|
Learn to build cross-platform mobile apps using Google's Flutter framework.
| 88
|
Advanced Flutter: Multiplatform Mobile App Development
|
Mobile App Development
|
Advanced
| 8
| 49.99
|
Master advanced features and build sophisticated apps for iOS and Android using Flutter.
| 92
|
Flutter for Beginners: Build Cross-platform Apps
|
Mobile App Development
|
Beginner
| 3
| 14.99
|
Learn the fundamentals of Flutter and start building cross-platform apps.
| 90
|
Flutter: Build Mobile Apps with Firebase
|
Mobile App Development
|
Intermediate
| 6
| 24.99
|
Learn to build apps with Flutter and integrate Firebase for backend functionality.
| 85
|
Flutter Animations: Advanced Mobile App Design
|
Mobile App Development
|
Advanced
| 8
| 39.99
|
Create stunning animated mobile app experiences using Flutter.
| 95
|
Flutter: Build Real-world Apps
|
Mobile App Development
|
Intermediate
| 8
| 39.99
|
Learn to build real-world mobile apps with Flutter and gain practical experience.
| 91
|
Flutter: Build a Social Media App
|
Mobile App Development
|
Advanced
| 10
| 49.99
|
Develop a complete social media app using Flutter and Firebase.
| 93
|
Flutter: Build Android and iOS Games
|
Mobile App Development
|
Advanced
| 12
| 59.99
|
Create engaging mobile games for both Android and iOS using Flutter.
| 97
|
Flutter: Build E-commerce Apps
|
Mobile App Development
|
Advanced
| 12
| 59.99
|
Develop a complete e-commerce app using Flutter and Firebase.
| 94
|
Flutter: Build a Fitness App
|
Mobile App Development
|
Advanced
| 12
| 59.99
|
Create a functional fitness tracking app using Flutter and Firebase.
| 96
|
Flutter: Build a Weather App
|
Mobile App Development
|
Intermediate
| 6
| 29.99
|
Learn to build a weather app using Flutter and OpenWeatherMap API.
| 87
|
Flutter: Build a To-Do App
|
Mobile App Development
|
Beginner
| 2
| 9.99
|
Create your first Flutter app and learn the basics of mobile app development.
| 89
|
Flutter: Build a News App
|
Mobile App Development
|
Intermediate
| 4
| 19.99
|
Build a responsive news app using Flutter and Google News API.
| 92
|
Classical Guitar Fundamentals
|
Classical Guitar
|
Beginner
| 4
| 19.99
|
Learn basic chords, scales, and techniques for playing Classical Guitar.
| 95
|
Classical Guitar for Beginners by Guitar Tricks
|
Classical Guitar
|
Beginner
| 8
| 99.95
|
Learn classical guitar from scratch with step-by-step lessons.
| 92
|
Absolute Beginner Classical Guitar
|
Classical Guitar
|
Beginner
| 12
| 39.99
|
Learn to play classical guitar with a comprehensive beginner's course.
| 88
|
Intermediate Classical Guitar
|
Classical Guitar
|
Intermediate
| 10
| 49.99
|
Advance your classical guitar skills with techniques and pieces for intermediates.
| 85
|
Advanced Classical Guitar Techniques
|
Classical Guitar
|
Advanced
| 12
| 99.99
|
Master advanced classical guitar techniques and repertoire.
| 90
|
Baroque Lute and Guitar
|
Classical Guitar, Lute
|
Intermediate
| 8
| 29.99
|
Learn to play Baroque music on the classical guitar or lute.
| 93
|
Classical Guitar Solo Bach
|
Classical Guitar
|
Advanced
| 12
| 49.99
|
Master Bach's compositions for classical guitar.
| 97
|
Classical Guitar Masterclass
|
Classical Guitar
|
Advanced
| 12
| 149.99
|
Learn advanced techniques and repertoire from a professional classical guitarist.
| 98
|
Classical Guitar: Fingerstyle Techniques
|
Classical Guitar
|
Intermediate
| 6
| 29.99
|
Learn fingerstyle techniques for classical guitar.
| 89
|
Classical Guitar: Arpeggios and Scales
|
Classical Guitar
|
Intermediate
| 10
| 39.99
|
Master arpeggios and scales for classical guitar.
| 91
|
Classical Guitar: Reading Music
|
Classical Guitar
|
Beginner
| 6
| 19.99
|
Learn to read music for classical guitar.
| 87
|
Classical Guitar: Chords and Harmonies
|
Classical Guitar
|
Beginner
| 4
| 9.99
|
Learn basic chords and harmonies for classical guitar.
| 83
|
Classical Guitar: Right Hand Techniques
|
Classical Guitar
|
Intermediate
| 8
| 29.99
|
Master right hand techniques for classical guitar.
| 94
|
Classical Guitar: Left Hand Techniques
|
Classical Guitar
|
Intermediate
| 10
| 39.99
|
Master left hand techniques for classical guitar.
| 96
|
Beginner Woodworking: Building Furniture from Scratch
|
Woodworking
|
Beginner
| 4
| 99.99
|
Learn essential woodworking skills and build a variety of beginner furniture projects.
| 85
|
Intermediate Woodworking: Mastering Joinery Techniques
|
Woodworking
|
Intermediate
| 6
| 149.99
|
Learn advanced joinery techniques to build strong and beautiful furniture.
| 92
|
Advanced Woodworking: Custom Furniture Design
|
Woodworking
|
Advanced
| 12
| 299.99
|
Learn to design and build custom furniture using advanced techniques and materials.
| 97
|
Introduction to Woodworking: Tools and Safety
|
Woodworking
|
Beginner
| 2
| 29.99
|
Learn the essential woodworking tools and safety practices.
| 90
|
DIY Furniture: Building a Wooden Bed Frame
|
Woodworking
|
Intermediate
| 3
| 49.99
|
Build a beautiful and sturdy wooden bed frame using advanced joinery techniques.
| 88
|
Woodworking for Beginners: Building a Simple Table
|
Woodworking
|
Beginner
| 2
| 19.99
|
Build a simple but functional table as your first woodworking project.
| 82
|
Advanced Woodworking: Building a Rocking Chair
|
Woodworking
|
Advanced
| 8
| 199.99
|
Learn advanced woodworking techniques to build a beautiful and comfortable rocking chair.
| 96
|
Intermediate Woodworking: Building a Bookshelf
|
Woodworking
|
Intermediate
| 3
| 39.99
|
Build a stylish and functional bookshelf using advanced joinery techniques.
| 91
|
Advanced Woodworking: Building a Dining Table
|
Woodworking
|
Advanced
| 10
| 299.99
|
Learn advanced woodworking techniques to build a beautiful and sturdy dining table.
| 98
|
Beginner Woodworking: Building a Picture Frame
|
Woodworking
|
Beginner
| 1
| 9.99
|
Build a beautiful picture frame as your first woodworking project.
| 80
|
Intermediate Woodworking: Building a Coffee Table
|
Woodworking
|
Intermediate
| 4
| 59.99
|
Build a functional and stylish coffee table using advanced joinery techniques.
| 87
|
Advanced Woodworking: Building a Cabinet
|
Woodworking
|
Advanced
| 12
| 399.99
|
Learn advanced woodworking techniques to build a beautiful and functional cabinet.
| 99
|
Beginner Woodworking: Building a Birdhouse
|
Woodworking
|
Beginner
| 1
| 4.99
|
Build a simple and fun birdhouse as your first woodworking project.
| 75
|
Intermediate Woodworking: Building a Chair
|
Woodworking
|
Intermediate
| 5
| 69.99
|
Build a comfortable and functional chair using advanced joinery techniques.
| 93
|
Advanced Woodworking: Building a Bookcase
|
Woodworking
|
Advanced
| 8
| 199.99
|
Build a beautiful and functional bookcase using advanced woodworking techniques.
| 95
|
Astronomy 101: Stars and Galaxies
|
Astronomy
|
Beginner
| 4
| 29.99
|
Learn about the universe, stars, and galaxies with an introductory astronomy course.
| 92
|
Telescope Basics: Choosing and Using Your First Scope
|
Astronomy
|
Beginner
| 2
| 19.99
|
Master telescope fundamentals and select the right one for your stargazing needs.
| 85
|
Astronomy for Kids: Exploring the Universe
|
Astronomy
|
Beginner
| 6
| 14.99
|
Ignite your child's curiosity about the universe with this engaging astronomy course.
| 88
|
Intermediate Astronomy: Solar System Exploration
|
Astronomy
|
Intermediate
| 8
| 49.99
|
Advance your knowledge of the solar system and observe planets with a telescope.
| 95
|
Astrophotography: Capturing the Stars
|
Astronomy
|
Advanced
| 12
| 99.99
|
Master astrophotography techniques to capture stunning images of the night sky.
| 97
|
Astronomy With Stellarium: Virtual Observatory
|
Astronomy
|
Beginner
| 3
| 12.99
|
Utilize the Stellarium software to explore the universe from your computer.
| 89
|
Dark Matter and Dark Energy: The Mysteries of the Universe
|
Astronomy
|
Advanced
| 10
| 79.99
|
Explore the enigmatic concepts of dark matter and dark energy in depth.
| 98
|
The History of Astronomy
|
Astronomy
|
Intermediate
| 6
| 39.99
|
Discover the history of astronomy and its influential figures throughout history.
| 93
|
Observing the Moon: Lunar Craters and Mare
|
Astronomy
|
Beginner
| 3
| 14.99
|
Learn to observe and identify lunar craters and maria using a telescope.
| 91
|
Galaxies and the Universe: Discovering the Cosmos
|
Astronomy
|
Intermediate
| 8
| 59.99
|
Explore galaxies and the vastness of the universe through telescopic observation.
| 96
|
Planets and Moons: Solar System Exploration
|
Astronomy
|
Beginner
| 6
| 29.99
|
Discover the unique features of planets and their moons in our solar system.
| 90
|
The Stars: Classification and Evolution
|
Astronomy
|
Intermediate
| 10
| 69.99
|
Understand the classification and evolution of stars through expert instruction.
| 94
|
Stellar Astronomy: Stars and Their Evolution
|
Astronomy
|
Advanced
| 12
| 89.99
|
Dive deep into stellar astrophysics and advanced topics like pulsars and white dwarfs.
| 99
|
Telescope Techniques: Advanced Observing Strategies
|
Astronomy
|
Advanced
| 12
| 129.99
|
Master advanced telescope techniques for observing celestial objects.
| 100
|
Social Media Copywriting Masterclass
|
Copywriting
|
Beginner
| 4
| 99.99
|
Learn to craft compelling social media copy that engages audiences and drives conversions.
| 85
|
Copywriting for Social Media: From Zero to Hero
|
Copywriting
|
Intermediate
| 6
| 199.99
|
Develop advanced copywriting skills to create engaging, effective social media content.
| 92
|
Social Media Copywriting: Writing for Instagram
|
Copywriting, Social Media
|
Beginner
| 2
| 49.99
|
Master the art of writing captivating captions for Instagram to boost your brand's engagement.
| 80
|
Facebook Ad Copywriting: Mastering the Art of Engagement
|
Copywriting, Social Media, Advertising
|
Intermediate
| 4
| 129.99
|
Create high-performing ad copy for Facebook to grow your online presence and sales.
| 95
|
LinkedIn Copywriting: Write Compelling Profiles and Posts
|
Copywriting, Social Media
|
Beginner
| 3
| 79.99
|
Write engaging LinkedIn content to attract new opportunities and advance your career.
| 88
|
Twitter Copywriting: Master the 280 Characters
|
Copywriting, Social Media
|
Beginner
| 1
| 29.99
|
Become a Twitter copywriting pro with effective strategies for writing captivating tweets.
| 78
|
Social Media Copywriting: Telling Your Brand Story
|
Copywriting, Social Media
|
Intermediate
| 6
| 199.99
|
Craft a consistent, compelling brand story across various social media platforms.
| 90
|
Content Marketing for Social Media: Copywriting Strategies
|
Copywriting, Content Marketing, Social Media
|
Intermediate
| 8
| 249.99
|
Discover strategies to create and distribute engaging social media content that drives leads and sales.
| 93
|
Social Media Ad Copywriting: Writing for Impact
|
Copywriting, Social Media, Advertising
|
Advanced
| 8
| 299.99
|
Develop high-level ad copywriting skills to create impactful, persuasive social media ads.
| 97
|
Pinterest Copywriting: Mastering Visuals and Text
|
Copywriting, Social Media
|
Intermediate
| 6
| 169.99
|
Create captivating Pinterest content with effective copywriting techniques for maximum reach.
| 87
|
Instagram Stories Copywriting: Engaging Your Audience
|
Copywriting, Social Media
|
Beginner
| 2
| 49.99
|
Engage your audience with compelling copy for Instagram Stories.
| 76
|
YouTube Copywriting: Writing for Video Titles and Descriptions
|
Copywriting, Video, Social Media
|
Intermediate
| 5
| 149.99
|
Write effective titles and descriptions for YouTube videos that attract views and subscribers.
| 83
|
TikTok Copywriting: Writing for Short-Form Video
|
Copywriting, Social Media
|
Beginner
| 3
| 69.99
|
Learn to write catchy, engaging copy for TikTok captions and challenges.
| 81
|
Social Media Copywriting: Writing for Different Platforms
|
Copywriting, Social Media
|
Advanced
| 10
| 349.99
|
Master the unique styles and formats of copywriting for various social media platforms.
| 96
|
Social Media Copywriting: Writing for Global Audiences
|
Copywriting, Social Media
|
Advanced
| 12
| 449.99
|
Craft effective social media copy that resonates with diverse, global audiences.
| 98
|
Pilates for Beginners: Fundamentals of Core Strengthening
|
Fitness & Exercise
|
Beginner
| 4
| 29.99
|
Learn the basics of Pilates and its core strengthening exercises.
| 95
|
Advanced Pilates: Deep Core Secrets
|
Fitness & Exercise
|
Advanced
| 8
| 49.99
|
Master advanced Pilates techniques for maximum core strength and flexibility.
| 88
|
Pilates at Home: 30 Day Core Challenge
|
Fitness & Exercise
|
Intermediate
| 4
| 19.99
|
Build a strong core with daily Pilates workouts you can do at home.
| 92
|
Core Pilates: Complete Mat Workout
|
Fitness & Exercise
|
Intermediate
| 6
| 39.99
|
Master the complete Pilates mat workout for powerful core strength.
| 98
|
Essential Pilates: Core, Flexibility, and Balance
|
Fitness & Exercise
|
Beginner
| 6
| 24.99
|
Improve core strength, flexibility, and balance with essential Pilates exercises.
| 89
|
Pilates for Runners: Strengthen Your Core and Improve Performance
|
Fitness & Exercise
|
Intermediate
| 8
| 39.99
|
Build a strong core and enhance your running performance with Pilates.
| 97
|
Pilates for Weight Loss: Quick Workouts for a Stronger Core
|
Fitness & Exercise
|
Beginner
| 4
| 19.99
|
Lose weight and strengthen your core with quick Pilates workouts.
| 91
|
Pilates for Seniors: Low Impact Core Strengthening
|
Fitness & Exercise
|
Beginner
| 8
| 29.99
|
Improve core strength and flexibility with gentle, low-impact Pilates exercises.
| 90
|
Advanced Pilates: Reformer Workouts for Core Strength
|
Fitness & Exercise
|
Advanced
| 12
| 59.99
|
Master advanced Pilates reformer workouts for maximum core strength.
| 96
|
Pilates for Yogis: Core Strengthening for Flexibility and Balance
|
Fitness & Exercise
|
Intermediate
| 6
| 34.99
|
Improve core strength, flexibility, and balance for a better yoga practice.
| 95
|
Pilates for Golfers: Core Strength and Flexibility
|
Fitness & Exercise
|
Intermediate
| 8
| 39.99
|
Build a stronger core and improve flexibility for better golf performance.
| 93
|
Pilates for Women: Core Strengthening and Postnatal Recovery
|
Fitness & Exercise
|
Beginner
| 10
| 49.99
|
Regain core strength and promote postnatal recovery with Pilates.
| 94
|
Pilates for Men: Core Strengthening and Functional Fitness
|
Fitness & Exercise
|
Intermediate
| 12
| 59.99
|
Build functional fitness with Pilates workouts designed for men.
| 97
|
Essential Pilates Equipment: Mat, Reformer, and Chair
|
Fitness & Exercise
|
Beginner
| 6
| 29.99
|
Learn how to use essential Pilates equipment for core strength.
| 91
|
Pilates for Back Pain: Alleviate Pain and Build Core Strength
|
Fitness & Exercise
|
Beginner
| 8
| 39.99
|
Reduce back pain and build core strength with Pilates exercises.
| 96
|
Fashion Design Fundamentals
|
Fashion Design
|
Beginner
| 4
| 99.99
|
Learn the basics of fashion design including color theory, sketching, and pattern making.
| 85
|
Sewing Basics: From Thread to T-shirt
|
Sewing
|
Beginner
| 2
| 39.99
|
Master the art of sewing by learning basic stitches, using a sewing machine, and creating simple projects.
| 92
|
Pattern Making for Beginners
|
Fashion Design
|
Beginner
| 6
| 129.99
|
Create your own fashion patterns using industry-standard techniques.
| 88
|
Course in Intro to Fashion Illustration
|
Fashion Design
|
Beginner
| 4
| 69.99
|
Learn to draw fashion designs using traditional techniques and Adobe Illustrator.
| 90
|
Sewing: The Complete Stitcher's Guide
|
Sewing
|
Beginner/Intermediate
| 8
| 149.99
|
Learn to sew various projects and master essential sewing techniques.
| 87
|
Fashion Design: Fabric Selection and Care
|
Fashion Design
|
Beginner
| 2
| 29.99
|
Understand how to choose, care for, and work with various fabrics for fashion design.
| 91
|
Sewing: Working with Knits
|
Sewing
|
Intermediate
| 4
| 79.99
|
Learn the techniques to sew with knitted fabrics, creating garments like t-shirts and leggings.
| 83
|
Fashion Design: Developing a Collection
|
Fashion Design
|
Advanced
| 12
| 399.99
|
Design, develop, and produce a complete fashion collection for the global market.
| 94
|
Sewing: Custom Fit Clothing
|
Sewing
|
Intermediate/Advanced
| 8
| 169.99
|
Create custom-fit clothes using the best techniques for perfect results.
| 93
|
Fashion Design: Digital Techniques and Tools
|
Fashion Design
|
Intermediate
| 6
| 159.99
|
Learn how to use digital tools and techniques to create professional fashion designs.
| 89
|
Sewing: Working with Linens and Wovens
|
Sewing
|
Intermediate
| 6
| 129.99
|
Learn to sew with linen and woven fabrics, creating garments like shirts and skirts.
| 86
|
Fashion Design: Dyeing Techniques
|
Fashion Design
|
Intermediate
| 4
| 59.99
|
Explore various dyeing techniques to add unique colors and textures to your fashion designs.
| 82
|
Sewing: Working with Leather
|
Sewing
|
Advanced
| 8
| 249.99
|
Learn to work with leather, creating accessories and garments using advanced sewing techniques.
| 91
|
Dataset
The dataset is a synthetically generated collection of 10,000 online courses created specifically for content-based recommendation tasks. It was generated using the mistralai/Mistral-7B-Instruct-v0.2 language model, ensuring consistent structure, high semantic quality, and broad topical coverage. The dataset is well suited for experiments involving embeddings, semantic similarity, and text-based recommendation systems.
Exploratory Data Analysis (EDA)
During the EDA stage, we aimed to gain a high level understanding of the synthetic course dataset and its structural properties.
We examined main attributes such as difficulty, duration, pricing, and ratings to characterize the data, even though these features are not directly used in the semantic similarity model.
To ensure data integrity, we identified and removed over 2,000 duplicate records, retaining only the first occurrence of each title. We then assigned new sequential course IDs to the remaining entries, resulting in a final clean dataset of 7,908 unique courses.
A missing values analysis confirmed that the dataset is largely complete, with only minor sparsity in non-critical attributes. We also verified that all entries follow a consistent schema and contain valid textual descriptions.
Overall, the EDA confirmed that the dataset is clean, well-structured, and suitable for downstream tasks involving embeddings and recommendation pipelines.
Outlier Analysis for price:
Most courses are priced within a typical low-to-mid range, while a small number of courses appear at extremely high prices.
These high-priced outliers are rare but likely represent premium offerings rather than data issues, and therefore reflect meaningful variation in the market.
Price distribution by duration:
The price distribution by duration (in weeks) indicates that while very short courses are generally cheaper, prices do not increase significantly as the course duration extends.
Price Variance Across Topics for Similar Duration:
Course pricing varies significantly by topic even when duration is fixed.
This indicates that pricing is driven primarily by subject value and market positioning rather than by course length.
Course Ratings by Difficulty and Duration:
Advanced courses receive consistently higher ratings across all durations, while beginner ratings decline as course length increases.
This suggests that satisfaction depends more on alignment between learner level and course depth than on duration alone.
Topic Difficulty Composition:
The combination of the Violin Plot and difficulty analysis reveals that topics with a balanced mix such as Copywriting, Mobile App Development, and Astronomy support structured, long term learning paths, which justifies their higher price points.
In contrast, beginner-dominated topics like Yoga and Mindfulness offer greater price accessibility but lack advanced professional depth.
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