Description


Input data:

country city 1950 pop. 1975 pop. 2000 pop.
uk london 8361000 7124000 7273000
usa ny 12338000 15880000 17813000
japan tokyo 11275000 26615000 34450000

Reshaping wide to long, showing the difference between keeping only one column and keeping two columns, before the reshaping.

Go to the Run page and Run the data-flo to see the different outputs.

Inputs


Outputs


keeping city and country columns (datatable)
keeping only city column (datatable)
csv (file)
csv 2 (file)