Implementations of plsregress on 2015b and 2013a
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Yoshihiro Yamada on 15 Feb 2016
Commented: Yoshihiro Yamada on 22 Feb 2016
I have a trouble that plsregress of 2013a and 2015b do not return same results.
I initialized matrixes "dataMatrix" and "classArray" and called
[Xloading, Yloading, Xscore, Yscore, beta, pctvar]=plsregress(dataMatrix, classArray, 2)
The resultant matrixes such as Xloading are different from each other.
The elements of matrxies are saved into attatched files.
Is the Implementation of plsregress on 2015b different from that of 2013a?
Arnab Sen on 22 Feb 2016
Hi Yoshihiro , I have reproduced the issue at my end. However, there is no mention of any modification of this function in the documentation. I tried to execute the code in different releases and bitness of MATLAB. The difference in the result is there for MATLAB 2013a 32 bit release and MATLAB 2013a 64 bit release. From the output you observed, it seems like you are using 32 bit version of MATLAB R2013a. However, MATLAB 2013a 64 bit give the same output of that of MATLAB 2015b. The issue seems not to be there from MATLAB R2013b onwards where the outputs are same for 32 bit and 64 bit. so as a workaround you can use MATLAB 2013a 64 bit or any higher version of MATLAB.
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