Title :
Notice of Retraction
Correlation analysis of the rare earth oxide prices
Author :
Haifeng, Wang ; Ying, Zhao
Author_Institution :
School of Economic and Management Inner Mongolia University of Science and Technology, Imust Baotou, China
Abstract :
Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
Based on SPSS 16.0, this paper analyzes the price correlation of ten kinds of rare earth oxides from December 2004 to May 2009 and gets the correlation coefficient matrix of these products. The result shows that there are varying degrees of price correlation between most of the rare earth oxides. And this result has practical significance for rare earth enterprises to arrange production activities reasonably and select the appropriate process route.
Keywords :
Correlation; Economics; Educational institutions; Magnetic materials; Presses; Spearman rank correlation coefficient; price correlation; rare earth oxides;
Conference_Titel :
E -Business and E -Government (ICEE), 2011 International Conference on
Conference_Location :
Shanghai, China
Print_ISBN :
978-1-4244-8691-5
DOI :
10.1109/ICEBEG.2011.5882336
