{ "cells": [ { "cell_type": "markdown", "metadata": { "cell_id": "d86edc87-fbd6-4927-9f09-442f9849ca6d", "deepnote_cell_height": 294.390625, "deepnote_cell_type": "markdown", "tags": [] }, "source": [ "# Week 9, Tuesday Discussion\n", "\n", "__Reminders__:\n", "- Homework #7 due tonight at 11:59pm\n", "- Course evaluations are now open :)\n", "\n", "__Today__:\n", " - Pass back old quizzes\n", " - Visualizing and interpreting decision trees" ] }, { "cell_type": "markdown", "metadata": { "cell_id": "19c5ba8a137644c08290b45524077326", "deepnote_cell_height": 130.796875, "deepnote_cell_type": "markdown", "tags": [] }, "source": [ "## Part 1: Data cleaning\n", "The dataset included in this project contains grades of Math 2B students. Check to see if there are any missing values. __Warning:__ At first there may not appear to be any missing values." ] }, { "cell_type": "code", "execution_count": 1, "metadata": { "cell_id": "4dabd19460094f14b6d9d3b224f8f5ff", "deepnote_cell_height": 449, "deepnote_cell_type": "code", "deepnote_to_be_reexecuted": false, "execution_millis": 24, "execution_start": 1653426381940, "source_hash": "7f3fae64", "tags": [] }, "outputs": [ { "data": { "text/html": [ "
\n", " | Quiz 1 | \n", "Quiz 2 | \n", "Midterm 1 | \n", "Quiz 3 | \n", "Quiz 4 | \n", "Midterm 2 | \n", "Quiz 5 | \n", "Final exam | \n", "Webwork | \n", "Total | \n", "
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0 | \n", "7 | \n", "3 | \n", "29 | \n", "5 | \n", "7 | \n", "22 | \n", "6 | \n", "26 | \n", "29.4 | \n", "F | \n", "
1 | \n", "7 | \n", "10 | \n", "43 | \n", "10 | \n", "10 | \n", "41 | \n", "9 | \n", "68 | \n", "73.0 | \n", "B | \n", "
2 | \n", "8 | \n", "7 | \n", "32 | \n", "9 | \n", "9 | \n", "42 | \n", "8 | \n", "63 | \n", "67.0 | \n", "C | \n", "
3 | \n", "10 | \n", "10 | \n", "47 | \n", "10 | \n", "10 | \n", "47 | \n", "9 | \n", "90 | \n", "75.0 | \n", "A | \n", "
4 | \n", "8 | \n", "8 | \n", "42 | \n", "10 | \n", "9 | \n", "46 | \n", "7 | \n", "73 | \n", "74.0 | \n", "B | \n", "