Which of the following is the definition of the Adjusted R2R^2R2?
1−SSE/(n−1)SST/(n−k−1)1 - \frac{SSE/(n-1)}{SST/(n-k-1)}1−SST/(n−k−1)SSE/(n−1)
1−SSE/(n−k−1)SST/(n−1)1 - \frac{SSE/(n-k-1)}{SST/(n-1)}1−SST/(n−1)SSE/(n−k−1)
R2−kn−k−1R^2 - \frac{k}{n-k-1}R2−n−k−1k
1−SSESST1 - \frac{SSE}{SST}1−SSTSSE