data_ring <- data.frame( Kota = rep(c(“A”, “B”), each = 5), Produk = rep(c(“Buku”, “Elektronik”, “Kosmetik”, “Makanan”, “Pakaian”), 2), Persen = c(19.28, 33.73, 6.02, 16.87, 24.10, # Kota A 17.89, 26.32, 18.95, 13.68, 23.16) # Kota B )