SST = SSR + SSE?
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∑(yi−yˉ)2=∑(y^i−yˉ)2+∑(yi−y^i)2\sum(y_i-\bar{y})^2 = \sum(\hat{y}_i-\bar{y})^2 + \sum(y_i-\hat{y}_i)^2∑(yi−yˉ)2=∑(y^i−yˉ)2+∑(yi−y^i)2. Total = Forklart + Rest.
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