Recently, National Bureau of Statistics of China has released macro-economic climate index of China from 2009-02 to 2010-05.Based on these indices, we establish an information system.In this information system, monitoring signal is taken as a decision attribute and coincident index, leading index, lagging index are taken as condition attributes.We use rough-set theory to investigate the importance of each condition attribute with respective to decision attribute and the strength of each condition attribute supporting decision attribute.Results of this investigation will be helpful for Chinese government to make active macro-economic policy and to maintain the steady and relatively fast development of Chinese economy.
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