try to fix 1.0

Author: mcabbott

src/kmeans.jl

@@ -133,6 +133,10 @@ function Base.sort(res::KmeansResult; kw...)
         res.totalcost, res.iterations, res.converged)
 end
 
+if VERSION < v"1.9"  # then Base.eachcol doesn't exist, or returns an iterator
+    eachcol(x::AbstractMatrix) = [view(x,:,i) for i in axes(x,2)]
+end
+
 #### Core implementation
 
 # core k-means skeleton

test/kmeans.jl

@@ -212,7 +212,7 @@ end
     for i in 1:5
         @test mean(data[:, findall(==(i), res.assignments)]; dims=2) ≈ res.centers[:,i]
     end
-    @test 1:5 == sortperm(eachcol(res.centers); by=last)
+    @test 1:5 == sortperm(Clustering.eachcol(res.centers); by=last)
 end
 
 end