Source: Stack Exchange (Math), Count: 1244887 Source: MathOverflow, Count: 110041 Source: Stack Exchange (Stats), Count: 99878 Source: Stack Exchange (Physics), Count: 145194 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