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Hi , I have introduced my self a couple of months ago and disapear for a while. I am doing my masters thesis on mapping malaria .I have a 5 year data and i was trying to show the trend by just creating different maps for each year but i wanted to determine one quartile from all the 5 year data. I have attached an image which shows the kind of thing i wanted to do. How can i do that?

Thank you so much in advance.

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Esther Mandeno

Esther Mandeno

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Well, it appears pretty straight forward, no? You have your malaria data by county or region, correct? Calculate quartiles for the entire dataset (per year or decade, that's up to you), assign a quartile range or number for each region/county (depending on where the data point falls) and then symbolize on that attribute. Does that make sense?
Esther Mandeno
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Hi - what software do you have to work with the data... ?
Hugo Ahlenius
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