List Louvain & Leiden community modularity metric

Author: JohT

cypher/Community_Detection/Community_Detection_7d_Modularity_Members.cypher

@@ -25,6 +25,6 @@ CALL gds.modularity.stream(
  RETURN communityId
        ,memberModularity
        ,memberCount
-       ,shortMemberNames
-       ,memberNames
+       ,shortMemberNames[0..9] AS someMemberNamesShort
+       ,memberNames[0..9]      AS someMemberNames
 ORDER BY communityId ASCENDING

scripts/reports/CommunityCsv.sh

@@ -113,6 +113,8 @@ detectCommunitiesWithLouvain() {
     execute_cypher "${PROJECTION_CYPHER_DIR}/Dependencies_9_Write_Mutated.cypher" "${@}" "${writePropertyNameIntermediate}"
     execute_cypher "${PROJECTION_CYPHER_DIR}/Dependencies_10_Delete_Label.cypher" "${@}" "${writePropertyName}" "${writeLabelName}"
     execute_cypher "${PROJECTION_CYPHER_DIR}/Dependencies_11_Add_Label.cypher" "${@}" "${writePropertyName}" "${writeLabelName}"
+
+    queryCommunitiyModularities "${@}" "${writePropertyName}"
 }
 
 # Community Detection using the Leiden Algorithm
@@ -157,19 +159,8 @@ detectCommunitiesWithLeiden() {
     execute_cypher "${PROJECTION_CYPHER_DIR}/Dependencies_9_Write_Mutated.cypher" "${@}" "${writePropertyNameIntermediate}"
     execute_cypher "${PROJECTION_CYPHER_DIR}/Dependencies_10_Delete_Label.cypher" "${@}" "${writePropertyName}" "${writeLabelName}"
     execute_cypher "${PROJECTION_CYPHER_DIR}/Dependencies_11_Add_Label.cypher" "${@}" "${writePropertyName}" "${writeLabelName}"
-}
 
-# Write modularity for Leiden communities
-# 
-# Required Parameters:
-# - dependencies_projection=...
-#   Name prefix for the in-memory projection name for dependencies. Example: "package"
-# - dependencies_projection_weight_property=...
-#   Name of the node property that contains the dependency weight. Example: "weight"
-writeLeidenModularity() {
-    local COMMUNITY_DETECTION_CYPHER_DIR="${CYPHER_DIR}/Community_Detection"
-    local writePropertyName="dependencies_projection_write_property=communityLeidenId" 
-    execute_cypher "${COMMUNITY_DETECTION_CYPHER_DIR}/Community_Detection_7e_Write_Modularity.cypher" "${@}" "${writePropertyName}"
+    queryCommunitiyModularities "${@}" "${writePropertyName}"
 }
 
 # Community Detection using the Weakly Connected Components Algorithm
@@ -312,6 +303,41 @@ detectCommunitiesWithApproximateMaximumKCut() {
     execute_cypher "${PROJECTION_CYPHER_DIR}/Dependencies_11_Add_Label.cypher" "${@}" "${writePropertyName}" "${writeLabelName}"
 }
 
+# Query modularity for Leiden communities
+# 
+# Required Parameters:
+# - dependencies_projection=...
+#   Name prefix for the in-memory projection name for dependencies. Example: "package"
+# - writePropertyName=...
+#   Name of the property that contains the communitiy id
+# - dependencies_projection_weight_property=...
+#   Name of the node property that contains the dependency weight. Example: "weight"
+queryCommunitiyModularities() {
+    local COMMUNITY_DETECTION_CYPHER_DIR="${CYPHER_DIR}/Community_Detection"
+    
+    local nodeLabel
+    nodeLabel=$( extractQueryParameter "dependencies_projection_node" "${@}")
+
+    local propertyName
+    propertyName=$( extractQueryParameter "dependencies_projection_write_property" "${@}")
+
+    # Stream to CSV
+    execute_cypher "${COMMUNITY_DETECTION_CYPHER_DIR}/Community_Detection_7d_Modularity_Members.cypher" "${@}" > "${FULL_REPORT_DIRECTORY}/${nodeLabel}_${propertyName}_Communities_Modularities.csv"
+}
+
+# Write modularity for Leiden communities
+# 
+# Required Parameters:
+# - dependencies_projection=...
+#   Name prefix for the in-memory projection name for dependencies. Example: "package"
+# - dependencies_projection_weight_property=...
+#   Name of the node property that contains the dependency weight. Example: "weight"
+writeLeidenModularity() {
+    local COMMUNITY_DETECTION_CYPHER_DIR="${CYPHER_DIR}/Community_Detection"
+    local writePropertyName="dependencies_projection_write_property=communityLeidenId" 
+    execute_cypher "${COMMUNITY_DETECTION_CYPHER_DIR}/Community_Detection_7e_Write_Modularity.cypher" "${@}" "${writePropertyName}"
+}
+
 # Compare the results of different community detection algorighms
 # 
 # Required Parameters: