The attached file is matlab file contains matrix (A) for the absorbance of the two compounds, the first 9 column is for compound x and the last 10 column is for compound y
matrix C for concentration, I made the following but the results not good
[U,S,V]=svd(A)
T =A*V
V (loading) and T(Score)
regression vector (b)=V(:,1:19)*inv(S(:,1:19))*U(:,1:19)'*C
c estimated=(T*V')*b
(T, V' for unknown) Can help me
Muhammad Ali
Dear Zayed,
For PCA, LDA etc., I suggest you to follow : https://stats.stackexchange.com/questions/192722/dimension-reduction-using-pca-in-matlab
On the RHS of this page there are other posts.
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