Days 21–30 of the Python for Data Science Challenge

Muhammad Dawood
3 min readAug 5, 2023

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Days 21–30 of the Python for Data Science Challenge

Welcome to the final stretch of your 30-day Python for data science challenge! Over the next ten days, you have the opportunity to apply your knowledge and creativity to a personal data science project of your choice. This project can encompass analyzing a dataset, building a predictive model, creating a data visualization dashboard, or any other endeavour that aligns with your interests and goals. This phase is about hands-on application, practical experience, and turning your newfound skills into tangible outcomes. Let’s embark on the journey of creativity and innovation with Python and data science!

Project Idea: Analyzing Online Retail Sales Data

Days 21–23: Choose Your Project and Plan

  • Project Idea: Analyze an online retail sales dataset to uncover trends, customer behaviour, and factors influencing sales.
  • Scope: Explore a dataset containing sales transactions, customer information, product details, and time-related information.
  • Objectives: Identify top-selling products, understand seasonal trends, segment customers based on purchasing behaviour, and provide actionable insights for improving sales.
  • Expected Outcomes: A comprehensive analysis of sales patterns, customer segments, and recommendations for optimizing sales strategies.

Project Plan:

Days 24–25: Data Collection and Preparation

  • Gather sales data from an online retail dataset available on Kaggle.
  • Download and import the dataset into a suitable data analysis environment (e.g., Python with Pandas).
  • Clean the data by handling missing values, removing duplicates, and converting data types if necessary.
  • Preprocess the data for analysis by encoding categorical variables and scaling numerical features.

Days 26–27: Exploratory Data Analysis and Visualization

  • Conduct EDA to understand the distribution of sales, products, and customers.
  • Create visualizations using Matplotlib and Seaborn to depict sales trends over time, product popularity, and customer demographics.
  • Identify correlations between variables and visualize customer segments based on their purchasing behaviour.

Days 28–29: Model Building and Analysis

  • Build a sales prediction model using a regression algorithm (e.g., Linear Regression) to forecast future sales based on historical data.
  • Evaluate the model’s performance using metrics like Mean Absolute Error (MAE) and Root Mean Squared Error (RMSE).
  • Implement clustering techniques (e.g., K-means) to segment customers based on their purchasing patterns and demographics.
  • Analyze the segments to extract insights about high-value customers, frequent buyers, and potential marketing strategies.

Day 30: Documentation and Presentation

  • Document the entire project, detailing each step taken, data preprocessing methods, visualization techniques, and model-building processes.
  • Summarize the key findings, insights, and actionable recommendations.
  • Create a visually appealing presentation with slides highlighting the most important aspects of the analysis.
  • Present the project, explaining the value it brings to the business and showcasing the skills developed throughout the process.

By following this project plan, you’ll be able to analyze online retail sales data, gain valuable insights, and present your findings in a clear and organized manner.

Congratulations on completing the 30-day Python for data science challenge! Throughout this journey, you’ve gained a solid foundation in essential data science concepts and techniques. Now, by applying your knowledge to a personal project, you’re taking a significant step toward becoming a proficient data scientist. Remember, learning is a continuous process, and the skills you’ve acquired will serve as a strong basis for your future data-driven endeavors.

As you continue your data science journey, keep exploring, experimenting, and refining your skills. The world of data science is vast and ever-evolving, and your passion and dedication will drive you toward new horizons. Embrace the creative spirit, and may your data science projects be a source of inspiration and innovation. Good luck, and enjoy the exciting road ahead!

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Muhammad Dawood
Muhammad Dawood

Written by Muhammad Dawood

On a journey to unlock the potential of data-driven insights. Day Trader | FX & Commodity Markets | Technical Analysis & Risk Management Expert| Researcher

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