Top network posts

• 82 Is this chart showing the likelihood of a terrorist attack statistically useful?
• 70 Why is it that natural log changes are percentage changes? What is about logs that makes this so?
• 51 Why do we take the square root of variance to create standard deviation?
• 46 Is the sum of two white noise processes necessarily a white noise?
• 44 Is a high $R^2$ ever useless?
• 35 Gradient descent doesn't find solution to ordinary least squares on this dataset?
• 33 When A and B are positively related variables, can they have opposite effect on their outcome variable C?
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