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KNIME_​variance

how do i take the difference of the same named columns from the bottom and top datasets?ie. (Top column (AHT)) - (Bottom column (AHT)) Node 1113Node 1114Node 1115Node 1116Node 1117Node 1118Node 1119Node 1120Node 1121Node 1122Node 1123Node 1124Node 1125Node 1126Node 1128Node 1129Node 1130Node 1131Node 1132Node 1133Node 1134Node 1135Node 1136Node 1137Node 1138Node 1139Node 1140Node 1141Node 1142 Persona GoalNode 1144Node 1145Node 1146Node 1147Node 1148Node 1149Node 1150Node 1151Node 1152Node 1153Node 1154Node 1155Node 1156Node 1157Node 1158Node 1160Node 1161Node 1162Sorter String To Number Row Filter Extract Table Spec String To Number Missing Value Column Filter String To Number Rule Engine Pivoting Table Creator Loop End (ColumnAppend) Extract Table Spec Loop End (ColumnAppend) Rank RowID Missing Value Joiner Column ListLoop Start ReferenceColumn Resorter Missing Value Sorter Column Filter Column Filter RowID Math Formula Joiner Math Formula Joiner GroupBy Rule Engine Joiner String To Number Pivoting ReferenceColumn Resorter Row Splitter Pivoting Joiner Column Filter Pivoting Column ListLoop Start Column Expressions Row Filter Row Filter Row Filter Rank Row Filter Excel Reader (XLS) how do i take the difference of the same named columns from the bottom and top datasets?ie. (Top column (AHT)) - (Bottom column (AHT)) Node 1113Node 1114Node 1115Node 1116Node 1117Node 1118Node 1119Node 1120Node 1121Node 1122Node 1123Node 1124Node 1125Node 1126Node 1128Node 1129Node 1130Node 1131Node 1132Node 1133Node 1134Node 1135Node 1136Node 1137Node 1138Node 1139Node 1140Node 1141Node 1142 Persona GoalNode 1144Node 1145Node 1146Node 1147Node 1148Node 1149Node 1150Node 1151Node 1152Node 1153Node 1154Node 1155Node 1156Node 1157Node 1158Node 1160Node 1161Node 1162Sorter String To Number Row Filter Extract Table Spec String To Number Missing Value Column Filter String To Number Rule Engine Pivoting Table Creator Loop End (ColumnAppend) Extract Table Spec Loop End (ColumnAppend) Rank RowID Missing Value Joiner Column ListLoop Start ReferenceColumn Resorter Missing Value Sorter Column Filter Column Filter RowID Math Formula Joiner Math Formula Joiner GroupBy Rule Engine Joiner String To Number Pivoting ReferenceColumn Resorter Row Splitter Pivoting Joiner Column Filter Pivoting Column ListLoop Start Column Expressions Row Filter Row Filter Row Filter Rank Row Filter Excel Reader (XLS)

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