Retraction Note: Subject choice in educational data sets by using principal component and procrustes analysis
Retraction Note: Model. Earth Syst. Environ. (2016) 2:209 https://doi.org/10.1007/s40808-016-0264-x
The authors are retracting this article (Khan et al., 2016) because it overlaps with a previously published article (Siswadi et al., 2012). All authors agree with this retraction.
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