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Data Preparation - An Auto EDA library

  • August 02, 2023
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Meet the Author : Mr. Bharani Kumar

Bharani Kumar Depuru is a well known IT personality from Hyderabad. He is the Founder and Director of Innodatatics Pvt Ltd and 360DigiTMG. Bharani Kumar is an IIT and ISB alumni with more than 18+ years of experience, he held prominent positions in the IT elites like HSBC, ITC Infotech, Infosys, and Deloitte. He is a prevalent IT consultant specializing in Industrial Revolution 4.0 implementation, Data Analytics practice setup, Artificial Intelligence, Big Data Analytics, Industrial IoT, Business Intelligence and Business Management. Bharani Kumar is also the chief trainer at 360DigiTMG with more than Ten years of experience and has been making the IT transition journey easy for his students. 360DigiTMG is at the forefront of delivering quality education, thereby bridging the gap between academia and industry.

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dataprep

Introduction:

"Unlock the True Potential of Your Data: Dive into the World of Data Preparation in Python with Dataprep!

Data preparation, the pivotal first step in any data-driven journey, holds the key to turning raw chaos into crystal-clear insights. In the dynamic realm of Python, a realm brimming with powerful tools like NumPy, pandas, and Scikit-learn, stands a remarkable gem: Dataprep.

dataprep

Join us on this exhilarating adventure as we demystify the art of data preparation in python. From mastering data cleaning tricks to orchestrating seamless transformations and unleashing the magic of data normalization, Dataprep is your ultimate ally in the quest for pristine data delights.

Get ready to revolutionize your analysis and modeling game with the invaluable knowledge of data preparation techniques and embark on a journey to make your data dreams a dazzling reality!"

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EDA using dataprep library:

Exploratory Data Analysis (EDA) is a critical step in the data analysis process that involves investigating and summarizing key characteristics of a dataset. EDA helps data analysts to understand the underlying patterns and relationships in the data, identify any anomalies or outliers, and develop a foundation for further analysis. In recent years, the Dataprep library has become increasingly popular for EDA tasks due to its user-friendly interface and powerful data manipulation capabilities.

The Dataprep library is an open-source Python library that is designed to make data preparation and cleaning tasks easier for data analysts. The library provides a range of functions and tools that can be used to perform a variety of data preparation tasks, such as data cleaning, feature engineering, and data transformation. One of the key features of Dataprep is its ability to perform EDA tasks quickly and efficiently.

Dataprep provides a range of functions for EDA tasks, such as data profiling, data visualization, and data summarization. The data profiling functions in Dataprep allow data analysts to quickly generate summary statistics and visualizations for their data. These summary statistics and visualizations provide insights into the distribution of the data, the presence of outliers, and the relationship between variables. For example, the "profile" function in Dataprep generates a report that includes basic statistics, such as the mean, standard deviation, and quartiles, for each variable in the dataset.

This report also includes histograms and density plots for each variable, which provide insights into the distribution of the data. Dataprep also provides a range of data visualization functions that can be used to explore the relationships between variables in the dataset. The "plot_correlation" function, for example, generates a correlation matrix and a heatmap that highlights the strength and direction of the relationships between the variables. This can be particularly useful for identifying any multicollinearity or confounding effects in the dataset.

Another powerful feature of Dataprep is its ability to perform data summarization tasks. The "summarize" function, for example, generates summary statistics for the data by grouping it according to one or more variables. This can be particularly useful for identifying trends or patterns in the data that may be obscured when looking at the data as a whole.

Overall, the Dataprep library is a powerful tool for performing EDA tasks. Its range of functions and tools allow data analysts to quickly and efficiently explore their data, identify any anomalies or outliers, and develop a foundation for further analysis. Whether you are working with a small or large dataset, Dataprep can help you to streamline your data preparation tasks and get more insights from your data.

Make sure you have installed the dataprep library before running the code. You can install it using pip

dataprep

Dataprep_report Explanation:

Dataprep_report is a python library specifically designed to cater to the needs of data analysts and data scientists, offering a convenient and efficient solution for creating interactive data reports. By building on top of the popular Pandas library.

Dataprep_report provides a user-friendly interface that enables users to explore and visualize data in a straightforward and understandable manner. Armed with a diverse set of features, this powerful tool allows users to construct comprehensive data reports comprising various charts, tables, and data summaries. Such reports prove invaluable for identifying concealed patterns, trends, and outliers hidden within the data.

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Variables in the dataprep:

In the exciting world of data preparation, variables are the unique traits that give life to your data! They're like the individual personalities of your data points, holding the key to unlocking valuable insights. Think of them as puzzle pieces, each with its own role to play in the grand data story.

In this captivating journey, variables come in two classes: the mighty dependent ones, taking center stage, and the independent ones, offering valuable explanations. They dance together, creating a harmonious data symphony!

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Interaction in the dataprep:

Data preparation, the mystical art of transforming raw data into a treasure trove of insights! It's the ultimate data makeover, involving tasks like decluttering, filling in missing pieces, and getting the data all dressed up for analysis. But the real magic lies in data interaction, where data wizards of all kinds unite – data engineers, analysts, scientists, and business wizards – to conjure up the perfect potion of collaboration and communication.

It's like a grand dance, where they sync their moves, ensuring everyone's dreams and desires are met. With feedback as their guiding star, they navigate the data seas, making course corrections and fine-tuning the process. And the secret ingredient? Automation, the enchanting spell that streamlines the journey, making it faster and more accurate than ever before. So, behold the power of data visualization, where data transforms into mesmerizing visuals, painting a picture of wisdom and enlightenment. With data interaction at its core, this enchanting tale of data preparation unfolds, unveiling a world of high-quality data, fit for kings and queens of analytics!

Correlation in the dataprep library:

correlation – the magical bond that reveals the dance of variables! Picture this: data preparation becomes a thrilling quest to uncover the hidden connections between two brave companions. They're known as variables, and their bond is quantified by the mysterious correlation coefficient "r." From -1 to 1, their journey unfolds – a score close to -1 signals a strong negative connection, while a score near 1 means a powerful positive alliance.

But beware the value near 0, for it whispers of a distant link. Fear not, for dataprep, the wizardly Python library, joins the adventure, automating data cleaning and unveiling the secrets of correlation analysis. Armed with functions like corr() and corrplot(), dataprep unveils the correlation matrix, a treasure map of interconnectedness. A heatwave of colors reveals the strength of their bond, empowering you to spot the mightiest allies among your variables. So, embark on this thrilling quest of data preparation and let the wonders of correlation guide you to a world of insights!

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Missing value in the dataprep:

Dataprep library, a powerful Python ally, comes to the rescue with its arsenal of functions for handling missing data. Dropna() clears the way by removing rows or columns with missing values, while Fillna() works its magic by replacing missing values with chosen ones. Interpolate() weaves its spell by filling in missing data with cleverly calculated values from nearby companions. The enchanting Replace() offers endless possibilities, letting you replace missing values with custom-made solutions. Impute() is a true sorcerer, using machine learning to predict and fill those elusive gaps.

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With Drop_duplicate(), Duplicate rows vanish into thin air, leaving you with clean, unique data. And when you need to trim the edges, Drop_column() and Drop_row() are your loyal knights. Validate() ensures your data's integrity, while Sample() allows you to glimpse into the enchanted world of your dataset. So, fear not the missing data dilemma, for Dataprep has your back, transforming your data into a wondrous tale of accuracy and reliability!

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Customize your plot:

Customize refers to the act of making changes or modifications to something to fit a particular purpose, preference, or individual need. This can involve altering the design, features, or functionality of a product, service, or experience to meet the specific requirements of a particular user or organization.

dataprep

Conclusion:

Exploratory Data Analysis (EDA) is a crucial step in the data analysis process, enabling data analysts to gain insights into datasets and prepare a solid foundation for further analysis. The Dataprep library, an open-source Python tool, has gained popularity due to its user-friendly interface and robust data manipulation capabilities. With its range of functions for data cleaning, feature engineering, and data transformation, Dataprep empowers analysts to perform EDA tasks efficiently and effectively. Its contribution to simplifying data preparation tasks makes it a valuable asset for data analysts and researchers alike.Please share your feedback in the comments section, as we value your input and suggestions to improve our work. Additionally, you can list down all the data types excluding sequential datatypes you are aware of in the comments section. Your contributions will further enrich the knowledge and understanding of the data analysis community. Thank you for your engagement and support!

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