Julia·Julia essentials

Small analysis

Combine arrays and functions into a short statistical report.

Beginner 10 min read Lesson 5 of 150 Challenge included
What you will be able to do
  • Filter with a boolean mask.
  • Use mean and sum.
  • Format output.

In plain English

Combine arrays and functions into a short statistical report.

  • Filter with a boolean mask.
  • Use mean and sum.
  • Format output.
analysis.jlJULIA
scores = [90, 85, 72]
passing = filter(x -> x >= 80, scores)
println("Passing: ", length(passing), "/", length(scores))
println("Average: ", sum(scores) / length(scores))
Your turn

Explain it back

Easy

Answer from memory: Which function keeps values that satisfy a predicate?

TEXT · starter
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Knowledge checkQuestion 1

Which function keeps values that satisfy a predicate?

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Lesson 5 of 150 · 0% of course