Re: [R] comparing two half-normal production stochastic frontier functions

2014-10-05 Thread Rainer M Krug
Arne Henningsen arne.henning...@gmail.com writes: Dear Rainer On 3 October 2014 14:51, Rainer M Krug rai...@krugs.de wrote: I am using the function frontier::sfa (from the package frontier) to estimate several half-normal production stochastic frontier functions. Now I want to compare

[R] comparing two half-normal production stochastic frontier functions

2014-10-03 Thread Rainer M Krug
Hi I am using the function frontier::sfa (from the package frontier) to estimate several half-normal production stochastic frontier functions. Now I want to compare the coefficients of the linear frontier function and see if they are different. According to my stackexchange (CrossValidated)

Re: [R] comparing two half-normal production stochastic frontier functions

2014-10-03 Thread Arne Henningsen
Dear Rainer On 3 October 2014 14:51, Rainer M Krug rai...@krugs.de wrote: I am using the function frontier::sfa (from the package frontier) to estimate several half-normal production stochastic frontier functions. Now I want to compare the coefficients of the linear frontier function and see