[Openspace] quantile plot

[Michael Anyadike-Danes]

I have a dataset with 434 observations.
 
I requested a quantile map with 5 divisions (ie a quintile map).
 
The map has five divisions: "1st range (0); 2nd range (165); 3rd range
(87); 4th range (95); 5th range (87)".
 
I was expecting 5 more-or-less equal ranges (86 and/or 87).
 
Have I missed something?
 
Michael Anyadike-Danes
Economic Research Institute of Northern Ireland
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