Advanced & Applied Topics · High-Dimensional Statistics & Sparsity

FDR, statistical learning, and classification in high dimensions

Public introduction · full guide in Eikos

Introduction

What this guide covers

Introduction Multiple Hypotheses & Regularization

Overview

Topics covered

  • Introduction
  • False Discovery Rate (FDR) and High-Dimensional Classification
  • The Challenge of High Dimension and Multiple Tests
  • 1.1 Paradigmatic example: Dead salmon in fMRI
  • The Formal Mathematical Framework of Multiple Hypothesis Testing
  • Classic FWER Control: Disadvantages and Limits in High Dimension

Related concepts

Main connections

  • Multiple testing & FWER/FDR
  • Regularization (Lasso / Ridge / Elastic Net)
  • p-value & significance
  • Supervised machine learning
  • Hypothesis testing
  • Linear algebra & matrices

Compatible notation

Mathematical sample in LaTeX

The expression is rendered accessibly, with its LaTeX source preserved below.

P(At least a False Positive)=1−(1−0.05)20000≈1−0≈100%
View LaTeX sourceP(\text{At least a False Positive}) = 1 - (1 - 0.05)^{20000} \approx 1 - 0 \approx 100\%