Pearson plc is a well-known international media company, composed of the following 4 groups: · pearson education group —— Pearson Education Publishing Group · the penguin group —— Penguin Group · financial times group —— Financial Times. How to understand the Pearson correlation coefficient? The Pearson correlation coefficient is often used when calculating similarity, so how should we understand this coefficient? What is its mathematical meaning and essence? Show all Followers 1,582
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