> Is there any package to balance the unbalance panel data?
If you mean you have an unbalanced experiment/observation data set, what
balancing strategy would you be willing to accept? (for example, are you looking
to delete data to achieve balance, or use imputation to invent new data to fill
the gaps?)
There are several imputation packages about; look up 'imputation in R'
to get a selection.
S Ellison
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