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This Pandas course focuses on mastering DataFrame functionalities, starting with in-depth comparisons between Series and DataFrame methods.

You'll learn essential skills such as selecting columns, adding data, and utilizing methods like value_counts and fillna for effective data cleaning. Advanced topics include filtering data, optimizing memory usage, handling missing values, and managing MultiIndex and text data. By exploring techniques for merging and concatenating DataFrames, you'll gain proficiency in handling complex data analysis tasks.

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This Pandas course focuses on mastering DataFrame functionalities, starting with in-depth comparisons between Series and DataFrame methods.

You'll learn essential skills such as selecting columns, adding data, and utilizing methods like value_counts and fillna for effective data cleaning. Advanced topics include filtering data, optimizing memory usage, handling missing values, and managing MultiIndex and text data. By exploring techniques for merging and concatenating DataFrames, you'll gain proficiency in handling complex data analysis tasks.

This course is tailored for data analysts, scientists, and professionals seeking to enhance their Pandas skills for practical applications and real-world data challenges.

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Syllabus

DataFrames I: Introduction
In this module, we will explore the foundational concepts of working with DataFrames in Pandas, starting with a comparison of Series and DataFrame methods and attributes. You will learn to select and manipulate both single and multiple columns, and add new columns to your DataFrames. We will cover the use of value_counts for column analysis and strategies for handling missing values. Additionally, you'll master data type conversions using the astype method, sorting DataFrames with sort_values and sort_index, and ranking values within columns using the rank method.
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DataFrames II: Filtering Data
In this module, we will dive into filtering data within DataFrames. You'll be introduced to the dataset and learn memory optimization techniques. We will cover filtering rows based on conditions and using logical operators like AND (&) and OR (|). Advanced filtering methods such as isin, isnull, and notnull will be explored. You'll also learn to filter data within a range using the between method, identify and handle duplicates with duplicated and drop_duplicates, and find and count unique values using unique and nunique methods.
DataFrames III: Data Extraction
In this module, we will explore essential data extraction techniques in Pandas. You'll start with an introduction to the dataset and learn to set and reset indices using set_index and reset_index methods. We will cover retrieving rows by index positions with iloc and by labels with loc, and understand the second arguments for precise data retrieval. You'll learn to overwrite individual and multiple values, rename index labels or columns, and delete rows or columns. Advanced extraction techniques like sampling with the sample method, extracting specific rows with nsmallest and nlargest, conditional filtering with where, and executing functions across DataFrame rows or columns with apply, will also be covered.
Working with Text Data
In this module, we will focus on working with text data in Pandas. You'll start with an introduction to the dataset and learn to use common string methods for text data manipulation. We will cover filtering DataFrame rows using string methods and applying these methods to DataFrame indices and columns. You'll master the split method to divide text data into multiple parts and enhance your skills with additional practice exercises. Finally, you'll learn to customize text splitting using the expand and n parameters of the split method for more detailed analysis.
MultiIndex
In this module, we will explore the advanced capabilities of MultiIndex in Pandas, starting with an introduction to its concepts. You'll learn to create and manage MultiIndex DataFrames for complex data grouping and analysis. We will cover techniques to extract and rename index level values for clarity, and how to sort and extract specific rows for better data organization. Additionally, you'll master methods like transpose, stack, and unstack to reshape DataFrames, and apply pivot, melt, and pivot_table methods to reorganize and transform data efficiently.
GroupBy
In this module, we will delve into the GroupBy functionality in Pandas, starting with an introduction to its essential concepts for data aggregation. You'll learn to use the groupby method to group data and retrieve specific groups with the get_group method. We will explore various aggregation methods available on GroupBy objects and cover techniques for grouping data by multiple columns. Additionally, you'll master the agg method to apply multiple operations on grouped data and learn to iterate through groups for individual data processing.
Merging DataFrames
In this module, we will explore essential techniques for merging DataFrames in Pandas. You'll begin with an introduction to various merging methods, followed by a detailed look at using the pd.concat function to concatenate DataFrames along a specified axis. We will cover left joins and the use of left_on and right_on parameters for specific column matching, as well as inner joins to combine DataFrames based on intersecting keys. Additionally, you'll learn about full-outer joins to merge DataFrames including all keys from both frames, and how to merge by indexes using left_index and right_index parameters. Finally, you'll be introduced to the join method as a simpler alternative for merging DataFrames.

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Focuses on DataFrame functionalities, which are essential for data manipulation and analysis in various professional settings
Covers techniques for merging and concatenating DataFrames, enabling learners to handle complex data analysis tasks effectively
Explores memory optimization techniques, which are crucial for handling large datasets efficiently in real-world applications
Teaches the use of the groupby method, which is a fundamental tool for data aggregation and analysis
Requires familiarity with Pandas DataFrames, so learners without prior experience may need to acquire foundational knowledge first
Emphasizes string methods for text data manipulation, which may not be relevant for learners primarily focused on numerical data analysis

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Intermediate Data Analysis Techniques with Pandas with these activities:
Review Pandas Series Fundamentals
Reinforce your understanding of Pandas Series, as DataFrames are built upon them. This will help you better understand DataFrame operations.
Browse courses on Series
Show steps
  • Review the official Pandas documentation on Series.
  • Practice creating and manipulating Series objects.
  • Complete a short quiz on Series concepts.
Review 'Data Science from Scratch' by Joel Grus
Gain a broader understanding of data science principles and how Pandas fits into the larger data science ecosystem.
Show steps
  • Read the chapters related to data manipulation and analysis.
  • Pay attention to the examples that use Pandas.
  • Consider how the concepts apply to your own data projects.
Review 'Python for Data Analysis' by Wes McKinney
Deepen your understanding of Pandas concepts and techniques by studying a comprehensive guide written by the library's creator.
Show steps
  • Read the chapters related to DataFrames and data manipulation.
  • Work through the examples provided in the book.
  • Try applying the techniques to your own datasets.
Four other activities
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Practice DataFrame Filtering Exercises
Sharpen your DataFrame filtering skills through targeted exercises. This will improve your ability to extract relevant data efficiently.
Browse courses on Filtering Data
Show steps
  • Find online resources with Pandas filtering exercises.
  • Work through the exercises, focusing on different filtering techniques.
  • Review your solutions and identify areas for improvement.
Create a Pandas Cheat Sheet
Consolidate your knowledge by creating a cheat sheet of commonly used Pandas functions and techniques. This will serve as a quick reference guide for future projects.
Browse courses on Pandas
Show steps
  • Identify the most important Pandas functions and methods.
  • Organize the information in a clear and concise format.
  • Include examples of how to use each function.
  • Share your cheat sheet with other learners.
Analyze a Real-World Dataset with Pandas
Apply your Pandas skills to a real-world dataset to gain practical experience. This will solidify your understanding of data manipulation and analysis techniques.
Browse courses on Data Analysis
Show steps
  • Choose a dataset from a public repository like Kaggle.
  • Load the data into a Pandas DataFrame.
  • Clean and preprocess the data.
  • Perform exploratory data analysis.
  • Draw conclusions and present your findings.
Contribute to Pandas Documentation
Deepen your understanding of Pandas by contributing to its documentation. This will expose you to the inner workings of the library and help you improve your technical writing skills.
Browse courses on Pandas
Show steps
  • Identify areas in the Pandas documentation that need improvement.
  • Fork the Pandas repository on GitHub.
  • Make your changes and submit a pull request.
  • Respond to feedback from the Pandas maintainers.

Career center

Learners who complete Intermediate Data Analysis Techniques with Pandas will develop knowledge and skills that may be useful to these careers:
Data Analyst
A data analyst utilizes tools like Pandas to explore, clean, and prepare data for analysis. This role involves working with large datasets, extracting key insights, and presenting findings to stakeholders. This course will build a strong foundation in using Pandas, covering essential skills such as data selection, filtering, text manipulation, and merging. By mastering these techniques, a future data analyst can work with real-world datasets, conduct thorough analyses, and communicate results effectively. The course's focus on memory optimization and handling missing values is also crucial for ensuring the accuracy and efficiency of data analysis workflows.
Business Intelligence Analyst
A business intelligence analyst uses data to understand business trends and performance, often requiring data manipulation and analysis skills. They leverage tools such as Pandas to transform raw data into meaningful information for reporting and decision-making. This course is tailored towards building the expertise necessary for this role. The course covers multiple essential techniques such as data filtering, grouping, and merging which will empower you to prepare and analyze business data effectively, allowing for precise and insightful reporting. Furthermore, the course material on multi-indexing and data extraction helps to tackle complex datasets for better insights.
Market Research Analyst
Market research analysts examine market trends and consumer behavior, often by analyzing large datasets. They leverage data manipulation skills, especially with tools like Pandas. This course's emphasis on techniques of data filtering, extraction, text manipulation, and merging is highly relevant and will empower you to process market data effectively. You will build a strong foundation for accurate analysis. The course content on value counts, data handling, and missing values also helps build a complete and thorough skillset for market analysis.
Financial Analyst
A financial analyst analyzes financial data to provide insights and recommendations, often involving manipulating large spreadsheets and databases. Mastering data manipulation with Pandas is relevant to this role. This course helps build a foundation for handling financial data. The course covers essential aspects such as grouping, merging, and filtering data, which are critical for preparing and analyzing financial datasets effectively. Text data manipulation will allow you to work with reports which are often heavily textual. You will develop the skills to perform complex analyses and prepare reports.
Research Scientist
A research scientist relies on data analysis to interpret the results of experiments and studies. This role will require skills in data management and manipulation. This course greatly helps by teaching important methods of data filtering, extraction, text manipulation and merging. The course has direct relevance to the needs of the modern scientist. The course modules on MultiIndex and GroupBy will help you when working with complex data, and help generate accurate and detailed insights.
Quantitative Analyst
A quantitative analyst or quant develops and implements models for financial markets using statistical and quantitative methods. The job role requires advanced data analysis skills. This course may be useful to build your core foundation in data analysis with Pandas. Though quant roles are complex, this course will help you understand the basic workflows of data manipulation to the point where you can process real-world datasets. The topics covered in the course, including handling missing values, memory optimization, data filtering and merging, will be extremely helpful for handling data efficiently and reliably.
Data Scientist
A data scientist uses data analysis and machine learning techniques to solve complex problems. While this role usually involves advanced programming and statistical modeling, a strong data manipulation foundation is critical. This course may help build essential skills in handling data using Pandas. The course covers the manipulation of data using selection, filtering, and merging which are necessary skills for this role. The course's emphasis on data cleaning, missing values, and data extraction is essential to ensure the data is ready for further analysis and modeling.
Database Administrator
A database administrator manages and organizes databases, ensuring that they are efficient and secure. This role requires knowledge of data manipulation that can be supported by Python's Pandas library. The course may be helpful as its focus on handling data with Pandas could allow you to learn how to manage and organize data. The modules on data extraction, manipulation, and merging will provide you a foundation for working with database data effectively. The course content on data filtering, cleaning, and text manipulation are also helpful.
Bioinformatician
A bioinformatician analyzes biological data, such as genomic data, using computational tools. Such a role requires complex data analysis skills. While this course may not directly teach bioinformatics content, it can be useful in building your skills in data manipulation using the Pandas library. The techniques taught in this course, such as filtering, merging, and handling text data will be relevant for processing biological datasets. The course's multi-indexing and data extraction content will also help you when working with complex data structures.
Operations Analyst
An operations analyst focuses on improving a company's operational efficiency by analyzing process data and identifying areas for enhancement. This role requires strong data skills. This course may be useful by teaching how to use Pandas to help manage and analyze operational data. The course's content on data selection, filtering, and merging can help organize and manage operational data. Further, the course's emphasis on memory management will help you analyze data efficiently.
Risk Analyst
A risk analyst assesses risks and vulnerabilities in financial and operational processes. This job requires the analyst to work with data, usually in a tabular format. This course may be useful because it provides a foundation in data manipulation using Pandas, which is essential for this kind of role. The course content on data filtering, merging, and sorting will assist in organizing risk data. You will also learn how to handle missing values in data.
Logistics Analyst
A logistics analyst analyzes supply chain operations, often involving large transactional datasets. This role requires data analysis and manipulation skills. This course may be helpful, since it focuses on Pandas and how it can be used to manipulate data. You will learn how to clean, filter, and manage data. The course material on grouping and merging will be useful to work with different data sources. The text manipulation content is also likely to be useful, as logistics data often contain text labels and descriptions.
Marketing Analyst
A marketing analyst examines marketing performance and campaign data. This often requires manipulating and analyzing datasets. This Pandas course may help, as it provides valuable skills for examining such data. The course covers data selection, filtering and merging using Pandas which are useful for working with marketing datasets. The course’s focus on handling missing values, and memory optimization, will help ensure that your marketing analysis is accurate and efficient.
Sales Analyst
A sales analyst examines sales data to track performance and identify trends. This role requires data analysis skills. This course may be useful by providing a foundation in using Pandas for data manipulation. You will learn to operate on data. The course also covers techniques for filtering and grouping data with Pandas, which makes it easier to analyze sales performance. Through this course, you will understand how to handle data effectively.
Academic Researcher
An academic researcher conducts studies and analyses, frequently involving large amounts of data. This role will benefit from data management skills. This course may be useful, since it focuses on teaching data manipulation using Pandas. You will learn how to use it to manage and transform data. The course’s emphasis on data filtering, merging, and handling missing values will allow you to process the data required for research.

Reading list

We've selected two books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Intermediate Data Analysis Techniques with Pandas.
This book, written by the creator of Pandas, is an essential resource for anyone working with data in Python. It provides a comprehensive guide to using Pandas for data manipulation, analysis, and visualization. It useful reference tool for those looking to deepen their understanding of Pandas and its capabilities. is commonly used as a textbook at academic institutions and by industry professionals.
Provides a hands-on introduction to data science using Python. While it doesn't focus exclusively on Pandas, it covers many fundamental data science concepts and techniques that are relevant to the course. It is helpful in providing background or prerequisite knowledge. It is more valuable as additional reading than it is as a current reference.

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