Technology, Graph Theory, Tidygraph, Graph Analytics, Data Visualization.
'Manuf. D') ) producer_distributor <- data.frame( producer = c('Manuf. A', 'Manuf. A', 'Manuf. B', 'Manuf. B', 'Manuf. C', 'Manuf. D'), distributor = c('Dist. A', 'Dist. B', 'Dist. B', 'Dist. C', 'Dist. B', 'Dist. C') ) distributor_customer <- data.frame( distributor = c('Dist. A', 'Dist. A',