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1 result for “from:lijuan huang”

Plm function, error in uniqval[as.character(effect), , drop = F]
lijuan huang · Aug 29, 2016 · r-help

Hi, there, I am trying to run a panel regression with a huge dataset, which has lots of missing values. Here is some description of all variables. > str(com3) Classes ?plm.dim? and 'data.frame': 172153 obs. of 30 variables...

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