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1 vote

Correlation with Differ Units of Measurement

When calculationg the Pearson correlation coefficient, it does not matter. It is defined as  \rho\equiv \frac{cov(x,y)}{\sigma_x\sigma_y}=\frac{\mathrm{E}\left((x-\mu_x)(y-\mu_y)\right)}{\sigma_x\...
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1 vote

Correlation with Differ Units of Measurement

When calculating a correlation it is generally advised to standardize, yes. I don't see why this case would be an exception although failing to standardize wouldn't probably be the biggest issue here. ...
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