Excuse me the excel to make heat map, he was a unit of length, what is the percentage of radius of influence, I loaded the latitude and longitude of the point coordinate data, for example, I want to set up his radiation within range of 500 to make heat map, how much is my radius of influence should, bosses, please instruct me

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Available at https://blog.csdn.net/stat_elliott/article/details/41552941? Utm_medium=distribute. Pc_relevant. None - task - blog - baidujs - 2