Exploratory Data Analysis Case Studies Using Pandas and Python
Exploratory Data Analysis (EDA) refers to the process of understanding the underlying insights of raw data. It involves looking for patterns, trends, and relationships among the data points to derive meaningful insights. EDA is critical in data science projects as it sets the foundation for other advanced analytics techniques, such as machine learning and predictive modeling.
Python is a popular programming language in data science, thanks to its ease of use and flexibility. The Pandas library, built on top of NumPy, is a data manipulation tool that allows users to perform data analysis tasks with ease. In this post, we will present some case studies using Pandas and Python to perform EDA.
Case Study 1: Predicting the Price of a Used Car on Craigslist
In this case study, we will use publicly available data on used car sales from Craigslist to build a model that predicts the price of a used car based on its features. We will use Pandas to read in the data, clean it, and perform exploratory analysis to uncover patterns and relationships within the data. We will then use Python's scikit-learn library to build a predictive model.
- Step 1: Load the data using Pandas
- Step 2: Clean the data
- Step 3: Explore the data using Pandas
- Step 4: Build a predictive model using scikit-learn
- Step 5: Evaluate the model
Case Study 2: Analyzing the Performance of a Baseball Team
In this case study, we will use publicly available data on the performance of a baseball team to perform exploratory analysis and uncover insights that could help the team improve its performance. We will use Pandas to read in the data, clean it, and perform exploratory analysis to uncover patterns and relationships within the data.
- Step 1: Load the data using Pandas
- Step 2: Clean the data
- Step 3: Explore the data using Pandas
- Step 4: Draw insights from the data
Conclusion
Exploratory Data Analysis is a crucial step in any data science project, and Pandas and Python are excellent tools for performing this type of analysis. These case studies show how Pandas and Python can be used to clean and explore data and derive insights that can guide decision making.