Re: [R] plm package twoways effect problem

2010-04-09 Thread seral
well thanks anyway even just for replying, i understand the lack of information causes no response... but if no one tells me that they need more information how could i send. anyway here more information about the procedure that i am applying to define the model after reading and attaching my

[R] plm package twoways effect problem

2010-04-08 Thread seral
Hello everyone, I have a peoblem to create the twoways effect in the plm package. when i try to create the following dsn1-plm(lnQ~lnC+lnL+lnM+lnE+eco+RD,data=newdata,effect=twoways,model=within) i have this error: Error in rep.int(c(1, numeric(n)), n - 1L) : negative length vectors are not