The main changes are as follows:
• Overall organization:
Adopted a clear column order based on three logical groups:
• Identification
• Category / Topic and Upload Time
• Description:
Then performed the following
• Column renaming (for clarity and consistency):
• youtube.title → title
• content_parent_category → parent_category
• content_fine_category → fine_category
• content_metadata.description → description
• content_metadata.fps → fps
• text_to_speech → transcript_text
• text_to_speech_word_count → word_count
• Column removal:
• Dropped purely technical fields: original_json_filename, original_video_filename.
• Removed youtube_age_limit -> it was all zeroes
• Dropped redundant content_metadata fields such as storylines.scenes, trimmingSuggestions, and other repeated description-like columns.
• Data normalization:
• Converted youtube_upload_date (stored as 20160511) into a proper datetime column (youtube_upload_date_dt…
