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- Importing Data 1:29
- Exploration Methods
- Review Exploration Methods 3 questions
- Selecting Data
- Review Selecting Data 2 questions
- Optional Challenge #1 - Top Referrers
- Manipulation 0:50
- Manipulation Techniques
- Review Manipulation Techniques 4 questions
- Optional Challenge #2 - Update Users
- Combining DataFrames 0:55
- Combining DataFrames
- Handling Duplicated and Missing Data
- Review Merging and Handling Missing Data 3 questions
- Manipulating Text
- Optional Challenge #3 - Verified Email List
- Grouping
- Review Text Manipulation and Grouping 2 questions
- Until Next Time 1:15
Instruction
Handling Duplicated and Missing Data
Handling Duplicated and Missing Data
# Setup
from datetime import datetime
import os
import numpy as np
import pandas as pd
from utils import render
users = pd.read_csv(os.path.join('data', 'users.csv'), index_col=0)
transactions = pd.read_csv(os.path.join('data', 'transactions.csv'), index_col=0)
requests = pd.read_csv(os.path.join('data', 'requests.csv'), index_col=0)
# Perform the m...