Re: [R] HELP FOR COMPUTING ENVIRONMENTAL EFFICIENCY INDEX/ LUENBERGER INDEX

Hi Wang. I hope you are OK. I'm stuck in the same problem. Did you find an answer for this question? Thanks in advance, Edgar -- View this message in context: http://r.789695.n4.nabble.com/HELP-FOR-COMPUTING-ENVIRONMENTAL-EFFICIENCY-INDEX-LUENBERGER-INDEX-tp4647883p4663437.html Sent from t

Re: [R] Malmquist-Luenberger Productivity Index programmed in R?

Hi Jan. I hope you are OK. I'm stuck in the same problem. Did you find an answer for this question? Thanks in advance, Edgar -- View this message in context: http://r.789695.n4.nabble.com/Malmquist-Luenberger-Productivity-Index-programmed-in-R-tp4643842p4663436.html Sent from the R help m