Garbage in, garbage out

usgb
phrase

In computing and analyst, refers to the concept that flawed or nonsense input will always produce flawed or nonsensical output.

If faulty data is input in a computer program, 'garbage in, garbage out'. The output will also be faulty.
Visual representation of "garbage in, garbage out" - In computing and analyst, refers to the concept that flawed or nonsense input will always produce flawed or nonsensical output

Often appears as...

  • data science
  • computer programming

Usage tips

Formal

Technical

Definition 1 of 2
Visual representation of "garbage in, garbage out"
LampPro Tip 1/3

Precision Matters

Accurate data is crucial when programming; errors can lead to unexpected and unreliable results.

Illustration for Precision Matters
Double-check the user input fields to avoid a classic case of 'garbage in, garbage out' in our software.
LampPro Tip 2/3

Analyst's Reminder

A reminder that analysts must verify data before using it to avoid misleading outcomes.

Illustration for Analyst's Reminder
Without proper validation, any statistical model will suffer from 'garbage in, garbage out'.
LampPro Tip 3/3

Not a Malfunction

This phrase doesn't mean a system is broken, but that it's only as good as the data entered.

Illustration for Not a Malfunction
The forecast was off not because of the algorithm, but because of 'garbage in, garbage out'.
Visual representation of the word "Garbage in, garbage out"

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