```json { "classifications": [ { "column": "Unnamed: 0", "role": "identifier", "confidence": 0.95, "reason": "Appears to be an auto-generated row index/primary key" }, { "column": "X", "role": "identifier", "confidence": 0.95, "reason": "Unique identifier with 127 distinct values matching row count; serves as primary key" }, { "column": "f_boxer", "role": "dimension", "confidence": 0.9, "reason": "Boxer name with low cardinality (11 distinct); used for grouping/filtering" }, { "column": "s_boxer", "role": "dimension", "confidence": 0.9, "reason": "Opponent boxer name with medium cardinality (106 distinct); used for grouping/filtering" }, { "column": "f_boxer_result", "role": "dimension", "confidence": 1.0, "reason": "Categorical outcome (won/lost); used for filtering and grouping" }, { "column": "f_boxer_stance", "role": "dimension", "confidence": 0.85, "reason": "Categorical stance type with 3 distinct values; used for grouping (note: contains mixed data)" }, { "column": "f_boxer_age", "role": "measure", "confidence": 0.85, "reason": "Numeric age value suitable for aggregation (avg age, etc.)" }, { "column": "f_boxer_height", "role": "measure", "confidence": 0.9, "reason": "Numeric height in cm; can be aggregated for statistics" }, { "column": "f_boxer_reach", "role": "measure", "confidence": 0.9, "reason": "Numeric reach measurement; suitable for aggregation" }, { "column": "f_boxer_won", "role": "measure", "confidence": 0.95, "reason": "Count of wins; numeric quantity for aggregation (sum, avg)" }, { "column": "f_boxer_lost", "role": "measure", "confidence": 0.95, "reason": "Count of losses; numeric quantity for aggregation" }, { "column": "f_boxer_drawn", "role": "measure", "confidence": 0.95, "reason": "Count of draws; numeric quantity for aggregation" }, { "column": "f_boxer_KOs", "role": "measure", "confidence": 0.95, "reason": "Count of knockouts; numeric quantity for aggregation" }, { "column": "f_boxer_ranking", "role": "dimension", "confidence": 0.9, "reason": "Low cardinality ranking (1-6); used for grouping and filtering" }, { "column": "s_boxer_ranking", "role": "dimension", "confidence": 0.9, "reason": "Medium cardinality ranking (1-24); used for grouping and filtering" }, { "column": "s_boxer_age", "role": "measure", "confidence": 0.85, "reason": "Numeric age value suitable for aggregation" }, { "column": "s_boxer_stance", "role": "dimension", "confidence": 0.85, "reason": "Categorical stance/height data with 9 distinct values; used for grouping" }, { "column": "s_boxer_reach", "role": "measure", "confidence": 0.9, "reason": "Numeric reach measurement; suitable for aggregation" }, { "column": "s_boxer_height", "role": "measure", "confidence": 0.9, "reason": "Numeric height in cm; can be aggregated for statistics" }, { "column": "s_boxer_won", "role": "measure", "confidence": 0.95, "reason": "Count of wins; numeric quantity for aggregation" }, { "column": "s_boxer_lost", "role": "measure", "confidence": 0.95, "reason": "Count of losses; numeric quantity for aggregation" }, { "column": "s_boxer_drawn", "role": "measure", "confidence": 0.95, "reason": "Count of draws; numeric quantity for aggregation" }, { "column": "s_boxer_KOs", "role": "measure", "confidence": 0.95, "reason": "Count of knockouts; numeric quantity for aggregation" }, { "column": "rounds", "role": "attribute", "confidence": 0.9, "reason": "Free-form descriptive text containing fight details; displayed but not aggregated" }, { "column": "s_boxer_result", "role": "dimension", "confidence": 1.0, "reason": "Categorical outcome (won/lost); used for filtering and grouping" }, { "column": "matchRounds", "role": "measure", "confidence": 0.9, "reason": "Numeric count of rounds; suitable for aggregation (avg rounds, etc.)" }, { "column": "fightEnd", "role": "dimension", "confidence": 1.0, "reason": "Categorical fight ending type (5 distinct values); used for grouping/filtering" } ] } ```