Ngoc Nguyen

2 Questions 1 Answers 0 Followers

Questions related from Ngoc Nguyen

How can I handle negative data in Grey forecasting GM(1,1)?

GM (1,1) requires non-negative data series. How can I handle if (1) few in the series are negative? (1) all in the series are negative?

04 April 2017 2,104 0 View

Is it ok to perform DEA if one factor has insignificant correlation with the rest?

I am about to run DEA on three inputs and two outputs factors of 10 companies. One prerequisite of DEA is isotonicity relationship between input, output factors. So I performed Pearson correlation...

04 April 2017 1,177 1 View