Clustering Definition: The Output

$1$ point possible $($gr$$ded$)$

In the last problem, you have figured out the clustering input. Which of the following are outputs of the clustering? Or in other words, which of the following are determined by the clustering algorithm? $($More details of the algorithm will be on the next page.$)$

$($Select all those apply.$)$

A partition of indices $\{1,$dots,$n\}$ into $K$ sets, $C_1,$dots,$C_K$

"Representatives" in each of the $K$ partition sets, given as $z_1,$dots,$z_K$

Number of clusters $K$

Set of feature vectors $S_n=\{x^{(i)}i=1,$dots,$n\}$

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