Provides extended data frames, with a special data frame column which contains two indexes, with potentially a nesting structure.
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Yves Croissant, 3 months ago
Browse source code at
Yves Croissant [aut, cre]
GPL (>= 2)
Imports dplyr, Formula
Suggests knitr, rmarkdown, AER, mlogit, plm
Depended on by
See at CRAN