diff --git a/f23/Cole_Lecture_Notes/37_AdvPandas/Lec37_AdvPandas_Solution_Nelson.ipynb b/f23/Cole_Lecture_Notes/37_AdvPandas/Lec37_AdvPandas_Solution_Nelson.ipynb index 23f5dc7fbac84ee5935b443ce2259ee78cfbec8b..7091fa38e927da39299fe137a7502fd9d4a4ce36 100644 --- a/f23/Cole_Lecture_Notes/37_AdvPandas/Lec37_AdvPandas_Solution_Nelson.ipynb +++ b/f23/Cole_Lecture_Notes/37_AdvPandas/Lec37_AdvPandas_Solution_Nelson.ipynb @@ -149,7 +149,7 @@ "source": [ "# Warmup 3d: Can you get this same data using SQL?\n", "qry(\"\"\"\n", - "SELECT role, COUNT(role) as NumAnswers\n", + "SELECT role, COUNT(*) as NumAnswers\n", "FROM piazza\n", "WHERE answers > 10\n", "GROUP BY role\n", @@ -165,7 +165,7 @@ "source": [ "# Warmup 3e: What about their average # of days online as well?\n", "qry(\"\"\"\n", - "SELECT role, COUNT(role) as NumAnswers, AVG(days_online) as AvgDaysOnline\n", + "SELECT role, COUNT(*) as NumAnswers, AVG(days_online) as AvgDaysOnline\n", "FROM piazza\n", "WHERE answers > 10\n", "GROUP BY role\n",