April 2024
Beginner to intermediate
344 pages
7h 56m
English
Exploratory data analysis (EDA) is a crucial initial step in the data analysis process for data scientists. It involves the systematic examination and visualization of a dataset to uncover its underlying patterns, trends, and insights. The primary objectives of EDA are to gain a deeper understanding of the data, identify potential problems or anomalies, and inform subsequent analysis and modeling decisions.
EDA typically starts with a series of data summarization techniques, such as calculating basic statistics (mean, median, and standard deviation), generating frequency distributions, and examining data types and missing values. These preliminary steps provide an overview of the dataset’s structure ...