Eghbal Rahimikia

6 Questions 8 Answers 0 Followers

Questions related from Eghbal Rahimikia

Can we use negative values as inputs or outputs in data envelopment analysis(DEA) in a financial case?

I'm comparing some financial companies using data envelopment analysis(DEA) using their financial statements. Suppose that one of the outputs is income or profit. In some companies we have...

17 April 2016 9,823 7 View

How implement sampling methods (for unbalanced data) in k fold cross-validation?

Suppose that we have a unbalanced data-set for a binary classification problem and we want use 10-fold cross validation for training and testing fitted model. * Is this correct that we only use...

21 February 2016 9,384 3 View

Any advice in using Data Envelopment Analysis(DEA) by 6 months financial reports data (or yearly reports)? Which one is true?

I want use 6-months financial data of some companies financial reports to create an DEA model. Suppose that we have these financial reports: 6-2013 12-2013 6-2014 12-2014 6-2015 12-2015 We can use...

31 December 2015 8,772 12 View

What are data envelopment analysis (DEA) alternatives to calculate efficiency?

We can calculate efficiency using parametric (econometric models) and non-parametric models. one of the well-known non-parametric models to calculate efficiency (for example banking efficiency in...

15 September 2015 1,455 16 View

How we can prove we have outliers in the results?

I'm working on a model for publishing in a journal. I'm removing outliers from results of my models. Suppose that I have 100 trained neural network, inserting out-of-sample data to these models...

13 September 2015 4,146 5 View

How can I find the pricing of garbage collection in different municipals of a city?

How we can price(calculate cost) garbage collection in different municipals of a city? These municipals in a city are out-sourcing all garbage collections using contracts with different companies....

27 July 2015 9,790 3 View