Question: Given 20 data points in 2-D space whose first principal component is (u=left(frac{1}{sqrt{2}}, frac{1}{sqrt{2}}ight)^{prime}). a. Suppose we add one more data point at ((2,2)^{prime}); how
Given 20 data points in 2-D space whose first principal component is \(u=\left(\frac{1}{\sqrt{2}}, \frac{1}{\sqrt{2}}ight)^{\prime}\).
a. Suppose we add one more data point at \((2,2)^{\prime}\); how would that affect the first principal component?
b. Suppose we add one more data point at \((3,0)^{\prime}\); how would that affect the first principal component?
c. Suppose we add an infinite number of data points at \((5,0)^{\prime}\); how would that affect the first principal component?
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