update.piar_aggregation_structure {piar} | R Documentation |
Update an aggregation structure
Description
Price update the weights in a price index aggregation structure.
Usage
## S3 method for class 'piar_aggregation_structure'
update(object, index, period = end(index), ..., r = NULL)
Arguments
object |
A price index aggregation structure, as made by
|
index |
A price index, or something that can be coerced into one.
Usually an aggregate price index as made by
|
period |
The time period used to price update the weights. The default
uses the last period in |
... |
Not currently used. |
r |
Order of the generalized mean to update the weights. The default
uses the order used to aggregate |
Value
A copy of object
with price-updated weights using the index
values in index
.
See Also
aggregate()
to make an aggregated price index.
Other aggregation structure methods:
as.matrix.piar_aggregation_structure()
,
levels.piar_aggregation_structure()
,
weights.piar_aggregation_structure()
Examples
# A simple aggregation structure
# 1
# |-----+-----|
# 11 12
# |---+---| |
# 111 112 121
# (1) (3) (4)
aggregation_weights <- data.frame(
level1 = c("1", "1", "1"),
level2 = c("11", "11", "12"),
ea = c("111", "112", "121"),
weight = c(1, 3, 4)
)
pias <- as_aggregation_structure(aggregation_weights)
index <- as_index(
matrix(1:9, 3, dimnames = list(c("111", "112", "121"), NULL))
)
weights(pias, ea_only = FALSE)
weights(update(pias, index), ea_only = FALSE)