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Free Lessons (3)
Course Introduction
Why Should You Take This Course?
What Will You Achieve by Completing This Course?
Pandas Data Structures
Pandas Series
Pandas DataFrame
Creating a Data Frame
Reading Data from a File
Create a DataFrame
Exploring a Data Frame
Size of a DataFrame
Data Types of Columns
Different Values in a Column
Measures of Central Tendency
Challenge: Find the Most Frequent Values in a Column
Quiz Yourself: Exploring a DataFrame
Filtering a Data Frame
Why Do We Need Filtering?
Filtering with "loc" and "iloc" Methods
Filtering by Selecting a Subset of Columns
Filtering by Condition
Filtering Rows with the Query Function
Challenge: Filter Out the Values Below Average
Quiz Yourself: Filtering a DataFrame
String Manipulation with Pandas
Slicing and Indexing on Strings
Splitting and Combining Strings
Converting Strings to Upper and Lower Case
Challenge: Create City and State Columns from the Address
Replacing Characters in a String
Chained Operations
Challenge: Make the Salary Column Proper
Quiz Yourself: String Manipulation with Pandas
Date Manipulation with Pandas
Pandas Date and Time Data Types
Extracting Information from Dates
The dt Accessor
Manipulating Dates by Adding Time Intervals
Challenge: The Age of Employees
Quiz Yourself: Date Manipulation
Handling Missing Values with Pandas
Missing Value Types and Representation
Finding the Missing Values
Dropping Rows and Columns with Missing Values
Replacing the Missing Values
Challenge: Filling the Missing Values
Quiz Yourself: Handling Missing Values
Data Analysis with Pandas
The groupby Function
Enhancing the groupby Function
Challenge: Find the Weekly Sales Quantities
The Pivot Table Function
The Cut and Qcut Functions
Challenge: Categorize Groceries Based on Price
The "where" Function
Quiz Yourself: Data Analysis with Pandas
Data Visualization with Pandas
Histogram
Line Plot
Scatter Plot
Quiz Yourself: Data Visualization with Pandas
Combining DataFrames with Pandas
The Concat Function
The Merge Function
Quiz Yourself: Combining DataFrames with Pandas
Project
Premium
Data Visualization with Seaborn for Walmart Sales Projection
Final Challenge and Quiz
Final Challenge: Find the Day of Week with the Most Sales
Final Quiz
Mock interview
Premium
Movie Recommendation System