Preliminary application of circular distribution in analysis of certain seasonal epidemic diseases
Huang Wei-ming , Zheng Jing-hui
Current Medical Science ›› 1988, Vol. 8 ›› Issue (3) : 186 -192.
Preliminary application of circular distribution in analysis of certain seasonal epidemic diseases
Circular distribution was used for statistical analysis of the data collected through a three-year period in county X, Hubei Province, to find out the seasonal characteristics of epidemic cerebrospinal meningitis, epidemic encephalitis B and malaria. The method provided a summary in the detection of the epidemic peak of one or several diseases in different years and was also useful in determining the epidemic time focus of a disease. Therefore, it may serve as a scientific basis for the prevention of certain diseases and an accurate means for the statistical management of the data obtained in seasonal epidemic diseases.
cicular distribution / epidemic diseases / test of hypothesis / median angle of month
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