FIGURE 2. Monthly DHF incidence in each of the 72 provinces of Thailand.
From the following article:
Travelling waves in the occurrence of dengue haemorrhagic fever in Thailand
Derek A.T. Cummings, Rafael A. Irizarry, Norden E. Huang, Timothy P. Endy, Ananda Nisalak, Kumnuan Ungchusak & Donald S. Burke
Nature 427, 344-347(22 January 2004)
doi:10.1038/nature02225
Data have been log-transformed and normalized to zero mean and unit variance. Data are presented for provinces from the most southerly to the most northerly from bottom to top. There are 12,096 individual data points.
