select_items | R Documentation |
Selects a data frame with variables of a specific scale
select_items(data, filter = NULL, names_only = FALSE, index_only = FALSE)
data |
A data frame with dic information |
filter |
A logical expression for any dic attribute (e.g. |
names_only |
If TRUE, variable names are returned instead of a data frame |
index_only |
If TRUE, variable indices are returned instead of a data frame |
A data frame, a vector with variable names, or a vector with indices.
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