Abstract
In the previous report, seasonal variation in number of prescriptions and amount of dispensing services was analyzed by moving average method. Statistical analysis of the amount of dispensing services is made in the following on regression equation by the method of least inspection. Then, modified seasonal variation was compared with analyzed original data. As a result, the method of analysis of RUN on the basis of the total number of the run separated on the median line proved simple and useful. Change in regression equation was not so different between the original data and modified seasonal variation. Since the interval estimation of the amount of services showed a marked reduction, the modified seasonal variation may be very applicable in prediction. According to the statistical analysis, modified seasonal variation produced better results than original data, data on outpatints than total data, and daily average than monthly total.
