[討論] 請問Matlab算R-squared值已回收
我有兩組數據 v跟b
R = corrcoef(v,b);
這應該是Matlab用來算R的func?
出來是1 0.978167
0.978167 1
的矩陣 網路上說1是自相關 所以R(1,2) R(2,1)就是R-squared
但是同樣的數據我丟進去Excel算卻是0.9994耶
請問為什麼會這樣呢?
感謝
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