Class Central is learner-supported. When you buy through links on our site, we may earn an affiliate commission.

CodeSignal

Evaluate Rare Events and Test Results

via CodeSignal

Go to class Write review

Overview

You will learn to reason from background frequencies instead of trusting a single test result or alert. Using natural frequencies, you'll interpret test accuracy and combine base rates with error rates to judge what a positive result really means in medical, fraud, and security settings.

Syllabus

  • Unit 1: Find the Base Rate
    • Pinpoint the Base Rate
    • Read the Background Frequency
    • Complete Natural Frequency Statements
    • Count the Overlap
    • Reason Through Rare Event Alerts
  • Unit 2: Interpret Test Results Correctly
    • Label the Four Results
    • False Positive or False Negative?
    • Match Each Rate to Its Definition
    • Which Group Is This Rate About?
    • Analyze The Rate Claim
  • Unit 3: Judge What a Positive Result Means
    • Separate Catch Rates from Correct Results
    • Interpret Positive Results
    • Build the Positive Result Group
    • Estimate the Real Chance
    • Explain A Positive Result
  • Unit 4: Evaluate Rare Event Alerts
    • Evaluate Alert Reliability
    • Why So Many False Alarms?
    • Find Genuine Alert Percent
    • Accurate System, Noisy Alerts

Reviews

Start your review of Evaluate Rare Events and Test Results

Go to class

Never Stop Learning.

Get personalized course recommendations, track subjects and courses with reminders, and more.

Sign up for free
Someone learning on their laptop while sitting on the floor.