The classes command groups a collection of numbers into intervals.
or:
or:
classes([0,0.5,1,1.5,2,2.5,3,3.5,4],0,2) |
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classes([0,0.5,1,1.5,2,2.5,3,3.5,4],-1,2) |
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classes([0,0.5,1,1.5,2,2.5,3,3.5,4],1,[1,3,5]) |
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classes([0,0.5,1,1.5,2,2.5,3,3.5,4],[1..3,3..6]) |
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