update dependencies

Project.toml

@@ -27,17 +27,17 @@ StructTypes = "856f2bd8-1eba-4b0a-8007-ebc267875bd4"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
-Clustering = "^0.14.1"
+Clustering = "^0.14.1, 0.15"
 Combinatorics = "^1.0.2"
 DataFrames = "^1.0"
 DataStructures = "^0.17.19, 0.18"
 Distributions = "^0.23.4, 0.24, 0.25"
-DocStringExtensions = "^0.8.2"
+DocStringExtensions = "^0.8.2, 0.9"
 JSON3 = "^1.0.3"
-NamedArrays = "^0.9.4"
+NamedArrays = "^0.10"
 ProgressMeter = "^1.3.3"
 QuadGK = "^2.4.0"
 Reexport = "^0.2.0, 1.0"
-StatsBase = "^0.33.0"
+StatsBase = "^0.33.0, 0.34"
 StructTypes = "^1.1.0"
 julia = "^1.4"

src/selection.jl

@@ -31,7 +31,11 @@ end
 # Compute Kmeans clusters (Euclidian distance is used)
 function getClusters(sysProperties::AbstractArray,  ncluster::Int)
     for i in 1:size(sysProperties,2)
-        sysProperties[:,i] = (sysProperties[:,i] .- mean(sysProperties[:,i])) ./ std(Float64.(sysProperties[:,i]))
+        Z = std(Float64.(sysProperties[:,i]))
+        sysProperties[:,i] .= sysProperties[:,i] .- mean(sysProperties[:,i])
+        if Z > 0
+            sysProperties[:,i] .= sysProperties[:,i] ./ Z
+        end
     end
     km = kmeans(Float64.(sysProperties)', ncluster)
     return km

test/user_interface_tests.jl

@@ -123,7 +123,7 @@ input_masses = Dict("Dry.toilet" => Dict("phosphor" => 548.0,
                     )
 
 # calculate mass flows for all systems and write to system properties
-massflow_summary!.(allSys, Ref(input_masses), n=20)
+massflow_summary!.(allSys, Ref(input_masses), n=10)
 @test "massflow_stats" in keys(allSys[1].properties)
 @test length(keys(allSys[1].properties["massflow_stats"])) == 5