| $.dfidx | Methods for dfidx | 
| $<-.dfidx | Methods for dfidx | 
| as.data.frame.dfidx | Methods for dfidx | 
| dfidx | Data frames with indexes | 
| fold_idx | Fold and Unfold a dfidx object | 
| format.idx | Index for dfidx | 
| head.dfidx | Methods for dfidx | 
| idx | Index for dfidx | 
| idx.dfidx | Index for dfidx | 
| idx.idx | Index for dfidx | 
| idx.xseries | Index for dfidx | 
| idx_name | Get the names of the indexes | 
| idx_name.dfidx | Get the names of the indexes | 
| idx_name.idx | Get the names of the indexes | 
| idx_name.xseries | Get the names of the indexes | 
| mean.dfidx | Methods for dfidx | 
| methods.dfidx | Methods for dfidx | 
| model.frame.dfidx | model.frame/matrix for dfidx objects | 
| model.matrix.dfidx | model.frame/matrix for dfidx objects | 
| munnell | Productivity in the United States | 
| munnell_wide | Productivity in the United States | 
| print.dfidx | Methods for dfidx | 
| print.dfidx_matrix | model.frame/matrix for dfidx objects | 
| print.idx | Methods for dfidx | 
| print.xseries | Methods for dfidx | 
| unfold_idx | Fold and Unfold a dfidx object | 
| [.dfidx | Methods for dfidx | 
| [[.dfidx | Methods for dfidx | 
| [[<-.dfidx | Methods for dfidx |