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6 Cards in this Set
- Front
- Back
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What are algebraic rules for inner products? |
p184 |
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When are 2 vectors x and y orthogonal/perpendicular? |
If the inner product (x, y) = 0 |
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How do you calculate the (sample) variance? |
s^2 = squared length of the vector of deviations divided by the number of results minus 1 (p189) |
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How do you calculate the standard deviation? |
Square root of the variance |
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How do you calculate the correlation coefficient? |
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How do you calculate the angle between two vectors x and y? |
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