Dear all,

I have to make a last minute map...my thesis is due in a few days and our
GIS lady fell ill, so my supervisor asked me to try in R., but I am a
beginner. I've searched online, but have not found something at the global
scale.

I have a global dataset of dependent values (eg. rate of common cold) for
100/240 countries/offshore territories. I have a predictor variable (eg.
Human development index or HDI).
What I would like to do is colour a global map by HDI grouping (low
[0-0.5], medium[0.51-0.7], high[0.71-1.0]). So for countries that I have
data for, if it is low HDI it would be colour1, medium colour 2, low
colour3. For countries with no data they will be a fourth colour (grey).

Additionally, some small island nations will be too small to be visualized.
Is there a way to manually increase the size of the colouration to be
visible on a map at the global scale?

My data is as such (where blanks are no data):

Country       HDI   Colds
Albania        0.42     .72
Austria        0.89
China          0 .76      .12

Could anyone direct me to some sample code and/or which package would be
best.

Any help would be greatly appreciated.

Cheers,

Sarah

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