Artificial Intelligence

Choosing Inputs and Reading Results Responsibly

Learn to distinguish between predicting recorded outcomes and grouping unfamiliar patterns. You’ll practice assessing if data reflects your real-world cases and treating evaluation as a business decision. Master the "Fresh-Case Check" and the "Two-Mistake Trade-off" to weigh missed cases against false alarms, ensuring AI performance aligns with your operational tolerance for risk.

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4 lessons

12 practices

1 hour

Feature Engineering

Course details

Choosing Defensible Inputs

Preview

Understanding Inputs in Everyday Work

Screening a Proposed Input List

Trimming the Input List

Previous Course Next Course: Neural Networks: From Inputs to Predictions

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I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

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I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

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It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

Choosing Inputs and Reading Results Responsibly

Course details

Unit 13 practices18 min

Unit 23 practices18 min

Unit 33 practices18 min

Unit 43 practices18 min

Turn screen time into skills time

Join the 1M+ learners on CodeSignal

From our community

From our community