Source: Stack Exchange (Math), Count: 99013
Source: MathOverflow, Count: 626
Source: Stack Exchange (Stats), Count: 182
Source: Stack Exchange (Physics), Count: 179


Line Counts of Original JSONL Files:
math.stackexchange.com.jsonl: 1407739 lines
mathoverflow.net.jsonl: 166592 lines
stats.stackexchange.com.jsonl: 156143 lines
physics.stackexchange.com.jsonl: 226532 lines