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CPS1934 Atikur R. K. et al.
                  4.   Discussion and Conclusion
                      Prediction of daily number of RTI episodes provides an insight regarding
                  the  healthcare  planning  and  early  warning  for  an  epidemic.  Variations  in
                  climatic factors  affect the residents directly or  indirectly and may seriously
                  affect the at-risk group. We have identified three different classes of variations
                  in diurnal temperature change and relative humidity that are likely to increase
                  the number of RTI episodes. Results obtained from panel generalized linear
                  model demonstrate that these classes have significant impact on RTI episodes.
                  Further, we apply flexible machine learning methods such as regression tree
                  and random forest to obtain 7-day ahead forecast based on rolling statistics
                  of climatic factors. This 7-day ahead forecast is suitable for planning healthcare
                  services that may require in the following week, and a 1-day ahead forecast
                  can be used to revise the planned healthcare services. We have also observed
                  the  higher  magnitude  of  root  mean  squared  forecast  errors  for  highly  air
                  polluted cities which are likely to be a combined effect of air pollution and
                  weather  extremes,  and  a  further  research  is  required  to  investigate  this
                  phenomena.

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