HI, I want to transform the following dataset Product Price_LC.1 Price_LC.2 Price_elasticity.1 Price_elasticity.2 Mean_Price Mean_Price_elasticity Trade_Price_Band Country 100 35 52 -4.14 -2.84 47 -3.69 0-542811 VN 1208 43 53 -3.94 -3.45 47 -3.65 0-542811 VN into: Product VN Price_Band 100 -3.69 0-542811 [35,52] [43,53] 1208 -3.65 0-542811 [43,53] [-3.94,-3.45] How do I get it in R? I have large dataset like this, I need to create mechanism to tranform those. Thanks. Kind regards, Lingyi [[alternative HTML version deleted]]