📊 Lecture 3: Linear Regression of Cancer Data

Learn to analyze massive biological datasets using Python packages like Pandas. Explore real cancer dependency data and discover gene relationships.

🎯 Getting Started

Start with Built-in Packages - Learn the tools that come free with Python.

Master Pandas DataFrames - Handle millions of data points effortlessly.

Real cancer research data - Work with the same datasets used in actual research.

Available

📦 Built-in Python Packages for Biology

Discover powerful tools that come with every Python installation

  • random - Simulations and sampling
  • collections.Counter - Count nucleotides and amino acids
  • statistics - Built-in statistical functions
  • datetime - Experiment timing and tracking
  • pathlib - Cross-platform file management
  • csv - Simple data file I/O
Open in Colab
Available

🐼 Introduction to Pandas

Master DataFrames for analyzing large biological datasets

  • Creating and loading DataFrames
  • Selecting rows and columns
  • Filtering biological data
  • Basic statistics and summaries
  • Working with the DepMap dataset
Open in Colab
Available

🧬 DepMap Cancer Dependencies

Analyze real cancer cell line dependency data

  • Loading the DepMap dataset
  • Exploring cancer cell lines
  • Finding gene dependencies
  • Calculating correlations
  • Identifying similar genes to ATR
Open in Colab
Available

📊 Data Filtering & Selection

Advanced techniques for working with large datasets

  • Boolean indexing with biological data
  • Filtering by cell line type
  • Selecting specific genes
  • Handling missing values
  • Creating data subsets
Open in Colab
Available

🔬 Statistical Analysis

Perform statistical analysis on biological data

  • Basic statistics with Python
  • Mean, median, and standard deviation
  • Understanding biological variation
  • Statistical significance
  • Applying statistics to datasets
Open in Colab
Available

🔄 Sorting & Ranking Data

Sort and rank biological datasets to find insights

  • Sorting DataFrames by values
  • Finding top and bottom genes
  • Multi-column sorting
  • Ranking gene dependencies
  • Identifying outliers and extremes
Open in Colab
Apply It!

🧪 Biological Data Analysis Toolkit

Real Python tools for comprehensive data analysis!

  • Complete DepMap analysis pipeline
  • Gene dependency explorer
  • Statistical analysis tools
  • Data visualization helpers
  • Integrated analysis workflows
Open in Colab

🗺️ Learning Path

Week 1: Built-in packages and basic data handling

Week 2: Pandas fundamentals and DataFrame operations

Week 3: Statistical analysis and correlations

Week 4: Linear regression modeling

🚀 Final Project: Cancer Gene Dependency Analysis

By the end of this lecture series, you'll analyze real cancer research data and:

  • Load and explore the DepMap cancer dataset (1,200+ cell lines)
  • Identify genes with similar dependencies to ATR kinase
  • Perform correlation analysis on 30,000+ genes
  • Build linear regression models for gene relationships
  • Filter and analyze specific cancer types
  • Generate publication-ready results and insights

📚 Part of the Python for Biologists course by Helfrid Hochegger

University of Sussex | Year 3 Biology, Biochemistry & Neuroscience