tokyo_libraries involves a set of 23 libraries in Tokyo and it has been used frequently in DEA literature.
Area.I1: Area of library.
Books.I2: Number of books.
Staff.I3: Staff members.
Populations.I4: Population of influence area.
Regist.O1: Registered people.
Borrow.O2: Borrowed books.
The purpose of this dataframe is to be used in DEA (Data Envelopment Analysis).
The input variables are
The output variables are
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