<invoke name="tool_call"> <parameter name="reasoning">Profile all 9 numeric columns in one query; VARCHAR ones are converted with TRY_CAST after stripping $ and commas, and I count failed casts too.</parameter> <parameter name="tool">query_sql</parameter> <parameter name="args">{"sql":"WITH t AS (SELECT * FROM raw.AI_Usage_and_Impact_on_Students_and_Professionals), u AS (SELECT 'Age' AS col, Age AS s, TRY_CAST(REPLACE(REPLACE(Age,'$',''),',','') AS DOUBLE) AS v FROM t UNION ALL SELECT 'Monthly_Income', Monthly_Income, TRY_CAST(REPLACE(REPLACE(Monthly_Income,'$',''),',','') AS DOUBLE) FROM t UNION ALL SELECT 'AI_Usage_Hours_Per_Day', AI_Usage_Hours_Per_Day, TRY_CAST(REPLACE(REPLACE(AI_Usage_Hours_Per_Day,'$',''),',','') AS DOUBLE) FROM t UNION ALL SELECT 'Monthly_AI_Cost', Monthly_AI_Cost, TRY_CAST(REPLACE(REPLACE(Monthly_AI_Cost,'$',''),',','') AS DOUBLE) FROM t UNION ALL SELECT 'Time_Saved_Hours_Per_Week', Time_Saved_Hours_Per_Week, TRY_CAST(REPLACE(REPLACE(Time_Saved_Hours_Per_Week,'$',''),',','') AS DOUBLE) FROM t UNION ALL SELECT 'Work_or_Study_Hours_Per_Day', Work_or_Study_Hours_Per_Day, TRY_CAST(REPLACE(REPLACE(Work_or_Study_Hours_Per_Day,'$',''),',','') AS DOUBLE) FROM t UNION ALL SELECT 'Productivity_Score', CAST(Productivity_Score AS VARCHAR), Productivity_Score FROM t UNION ALL SELECT 'Accuracy_Rating', CAST(Accuracy_Rating AS VARCHAR), CAST(Accuracy_Rating AS DOUBLE) FROM t UNION ALL SELECT 'Satisfaction_Score', CAST(Satisfaction_Score AS VARCHAR), CAST(Satisfaction_Score AS DOUBLE) FROM t) SELECT col, COUNT(*) AS n_rows, COUNT(v) AS n_numeric, COUNT(*) - COUNT(s) AS n_null, COUNT(s) - COUNT(v) AS n_unparseable, MIN(v) AS min, MAX(v) AS max, ROUND(AVG(v),2) AS mean, MEDIAN(v) AS median, ROUND(STDDEV(v),2) AS stddev, QUANTILE_CONT(v,0.25) AS p25, QUANTILE_CONT(v,0.75) AS p75, ROUND(STDDEV(v)/NULLIF(AVG(v),0),2) AS cv FROM u GROUP BY col ORDER BY col","purpose":"Distribution summary (min, max, mean, median, spread) for all numeric columns","source":"raw"}</parameter> </invoke> _content