Square flow matrix (matrix[i][j] = flow from group i to group j; finite, >= 0, not all zero) with optional group names, or ECharts-style nodes and links.
matrix[i][j]
nodes
links
Square flow matrix (
matrix[i][j]= flow from group i to group j; finite, >= 0, not all zero) with optional group names, or ECharts-stylenodesandlinks.