Learn what residual standard deviation is, how to calculate it in regression analysis, and why it's crucial for measuring predictability and goodness-of-fit in data modeling.
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Calculating Velocity Through Numerical Derivatives

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...
By simplifying the numbers I tracked midrace, I felt less anxious, more focused, and actually enjoyed running more.
By simplifying the numbers I tracked midrace, I felt less anxious, more focused, and actually enjoyed running more.