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Cannot extract the features (columns) for the split 'train' of the config 'default' of the dataset.
Error code:   FeaturesError
Exception:    ArrowInvalid
Message:      Schema at index 1 was different: 
Aerospace Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Architecture: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Artificial Intelligence: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Automobile Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Biology & Life Sciences: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Biomedical & Health Tech: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Business & Management: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Chemical Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Chemistry: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Civil Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Commerce & Accounting: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Computer Science & IT: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Creative Arts, Media & Communication: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Criminology & Forensic Science: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Cybersecurity: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Data Science & Analytics: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Defense & Strategic Studies: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Dentistry & Oral Health: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Earth & Environmental Sciences: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Economics & Public Policy: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Education & EdTech: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Electric Vehicles & E-Mobility: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Electrical, Power & Energy: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Electronics, Robotics & IoT: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Energy & Sustainability: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Entrepreneurship & Innovation: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Finance, Banking & FinTech: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Hospitality, Tourism & Events: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Interdisciplinary Studies: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Languages & Literature: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Law & Governance: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Marine Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Marketing, Sales & CX: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Materials Science & Processes: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Mathematics: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Mechanical Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Medicine & Clinical: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Mining Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Nursing & Allied Health: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Operations, SCM & Logistics: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Personal & Professional Skills: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Petroleum Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Pharmacy & Pharmaceutical Sciences: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Physics: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Public & Community Health: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Science: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Social Sciences & Humanities: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Soft Skills: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Sports, Fitness & Wellness: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Traditional & Integrative Medicine: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Transportation & Urban Systems: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
Veterinary Science & Animal Health: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
vs
category: string
category_abbrev: string
subcategory: string
subcategory_abbrev: string
sample_course_id: string
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/job_runners/split/first_rows.py", line 243, in compute_first_rows_from_streaming_response
                  iterable_dataset = iterable_dataset._resolve_features()
                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 3608, in _resolve_features
                  features = _infer_features_from_batch(self.with_format(None)._head())
                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2368, in _head
                  return next(iter(self.iter(batch_size=n)))
                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2573, in iter
                  for key, example in iterator:
                                      ^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2060, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 2082, in _iter_arrow
                  yield from self.ex_iterable._iter_arrow()
                File "/usr/local/lib/python3.12/site-packages/datasets/iterable_dataset.py", line 588, in _iter_arrow
                  yield new_key, pa.Table.from_batches(chunks_buffer)
                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "pyarrow/table.pxi", line 5039, in pyarrow.lib.Table.from_batches
                File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
                File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
              pyarrow.lib.ArrowInvalid: Schema at index 1 was different: 
              Aerospace Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Architecture: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Artificial Intelligence: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Automobile Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Biology & Life Sciences: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Biomedical & Health Tech: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Business & Management: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Chemical Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Chemistry: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Civil Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Commerce & Accounting: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Computer Science & IT: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Creative Arts, Media & Communication: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Criminology & Forensic Science: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Cybersecurity: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Data Science & Analytics: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Defense & Strategic Studies: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Dentistry & Oral Health: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Earth & Environmental Sciences: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Economics & Public Policy: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Education & EdTech: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Electric Vehicles & E-Mobility: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Electrical, Power & Energy: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Electronics, Robotics & IoT: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Energy & Sustainability: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Entrepreneurship & Innovation: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Finance, Banking & FinTech: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Hospitality, Tourism & Events: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Interdisciplinary Studies: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Languages & Literature: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Law & Governance: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Marine Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Marketing, Sales & CX: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Materials Science & Processes: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Mathematics: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Mechanical Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Medicine & Clinical: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Mining Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Nursing & Allied Health: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Operations, SCM & Logistics: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Personal & Professional Skills: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Petroleum Engineering: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Pharmacy & Pharmaceutical Sciences: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Physics: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Public & Community Health: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Science: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Social Sciences & Humanities: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Soft Skills: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Sports, Fitness & Wellness: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Traditional & Integrative Medicine: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Transportation & Urban Systems: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              Veterinary Science & Animal Health: struct<category_abbrev: string, subcategories: list<item: struct<subcategory: string, subcategory_abbrev: string, sample_course_id: string>>>
              vs
              category: string
              category_abbrev: string
              subcategory: string
              subcategory_abbrev: string
              sample_course_id: string

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Official Dataset URL:
https://huggingface.co/datasets/PriyaRGenie/rgenie-education-taxonomy

Official Website:
https://www.rgenie.in

RGenie Education Taxonomy (Master)

Maintained by: RGenie Solutions (www.rgenie.in)
Author / Dataset Curator: Priya Pahadsingh
Version: v1.0
Release date: 2026-03-01

What this is

This dataset is the master taxonomy used by RGenie Solutions to structure and index mobile-first, gamified microlearning courses (including Unity-based interactive simulations).
It provides a consistent Category (2-letter) + Sub-category (3-letter) coding scheme, and an example Course ID format: CC-SSS-###.

Why this dataset exists

Use this taxonomy to:

  • organize course catalogs consistently
  • map courses to standard domains/sub-domains
  • create stable course-ID naming conventions
  • support AI-assisted curriculum mapping and content generation
  • build search, filters, and recommendation systems around course metadata

Files in this repository

  • rgenie_taxonomy_v1.csv
    Flat table (easy for spreadsheets and BI tools).
  • rgenie_taxonomy_v1.json
    JSON array of records (easy for apps and pipelines).
  • rgenie_taxonomy_v1.jsonl
    One JSON object per line (ideal for ML data loaders).
  • rgenie_taxonomy_hierarchy_v1.json
    Hierarchical structure by category → subcategories.
  • schema.json
    JSON Schema describing each record.

Data fields

Each record contains:

  • category (string): Category name (human-readable)
  • category_abbrev (string): 2-letter abbreviation used in course IDs
  • subcategory (string): Sub-category name
  • subcategory_abbrev (string): 3-letter abbreviation used in course IDs
  • sample_course_id (string): Example ID in CC-SSS-### format

Recommended citation

Priya Pahadsingh (2026). RGenie Education Taxonomy (Master), v1.0. RGenie Solutions. Hosted on Hugging Face.

Contact

RGenie Solutions: www.rgenie.in

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