Iowa Cancer

This dataset descripe the Iowa lung cancer death. It contains information of lung cancer death, healthcare cost, adult smoking, and age over 65. From the lung cancer death map, it can be found that there are three counties in the bottom has relatively high cancer mortality. By comparing it with the other three maps, healthcare cost seems to be the most related indicator to this. Then age comes later. Smoking seems to be the least relevant. However, note that all the maps are displayed in an classfied manner, which cannot accurately show the absolute values of each variable. Futher studies, such as regression analysis, geographical weighted regression, bivariaate lisa, or self-organizing map could be used to understand which indicator relate to cancer death