什么是相关性（correlation）？

What is correlation?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: Statistics, Correlation, Pearson

参考答案摘要

Correlation measures strength and direction of a linear relationship between two quantitative variables (often Pearson’s r), ranging from -1 to +1. Correlation ≠ causation.

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