[R] Return of the gradient function when using Optim functions and colSums

Fernando de Souza Bastos fsbmat at gmail.com
Mon Jan 2 15:16:47 CET 2017


i am using the programming of the package "sampleSelection" for a study and
I do not understand the error of my simulation, I posted the detailed doubt
in stackoverflow! Link below:


Thank you!

best regards,

Fernando de Souza Bastos
Teacher of Mathematics and Statistics

Universidade Federal de Viçosa (UFV)

Campus UFV - Florestal

PhD in progress in Statistics
Universidade Federal de Minas Gerais (UFMG)

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