Handle duplicated labels
The function deduplicate_labels can be used with "item" objects,
"importer" objects or "data.set" objects to deal with
duplicate labels,
i.e. labels that are attached to more than
one code. There are several ways to de-duplicate labels: by combining
values that share their label or by making labels duplicate labels distinct.
deduplicate_labels(x,...)
## S3 method for class 'item'
deduplicate_labels(x,
method=c("combine codes",
"prefix values",
"postfix values"),...)
# Applicable to 'importer' objects and 'data.set' objects
## S3 method for class 'item.list'
deduplicate_labels(x,...)x |
an item with value labels or that contains items with value labels |
method |
a character string that determines the method to make value labels unique. |
... |
other arguments, passed to specific methods of the generic function. |
The function deduplicate_labels a copy of x
that has unqiue value labels.
x1 <- as.item(rep(1:5,4),
labels=c(
A = 1,
A = 2,
B = 3,
B = 4,
C = 5
),
annotation = c(
description="Yet another test"
))
x2 <- as.item(rep(1:4,5),
labels=c(
i = 1,
ii = 2,
iii = 3,
iii = 4
),
annotation = c(
description="Still another test"
))
x3 <- as.item(rep(1:2,10),
labels=c(
a = 1,
b = 2
),
annotation = c(
description="Still another test"
))
codebook(deduplicate_labels(x1))
codebook(deduplicate_labels(x1,method="prefix"))
codebook(deduplicate_labels(x1,method="postfix"))
ds <- data.set(x1,x2,x3)
codebook(deduplicate_labels(ds))
codebook(deduplicate_labels(ds,method="prefix"))
codebook(deduplicate_labels(ds,method="postfix"))Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.