Description Usage Arguments Details Value See Also
Adjust the population counts and components of a demographic
account so that all cells in the account conform to the
basic demographic accounting identity:
poulation at end of period
= population at beginning of period
+ entries
- exits.
Births and in-migrations are examples of entries, and
deaths and out-migrations are examples of exists.
1 2 3 4 | makeConsistent(object, adjust = TRUE, scale = 0.1, fixed = character())
## S4 method for signature 'Movements'
makeConsistent(object, adjust = TRUE, scale = 0.1, fixed = character())
|
object |
An object of class |
adjust |
If |
scale |
A non-negative number governing the size of the steps if components are adjusted. |
fixed |
Names of components that should not be adjusted. |
makeConsistent
obtains consistency by starting
with the population at the start of the period, and
working forward, adding entries and subtracting
exits.
Sometimes the original entries and exits
imply negative population counts. If adjust
is FALSE
, an error is raised. If adjust
is TRUE
, entries are adjusted upwards, and
exits are adjusted downwards, until positive population
counts are obtained. The size of the steps in this
adjustment process is governed by scale
.
A consistent DemographicAccount
.
To test whether an account is consistent, use
isConsistent
.
population <- Counts(array(c(10, 15, 13, 16), dim = c(2, 2), dimnames = list(age = c("0-29", "30+"), time = c(1970, 2000)))) births <- Counts(array(14, # changed from 13 dim = c(1, 1), dimnames = list(age = "30+", time = "1971-2000"))) deaths <- Counts(array(c(0, 9), dim = c(2, 1), dimnames = list(age = c("0-29", "30+"), time = c("1971-2000")))) inconsistent.account <- Movements(population = population, births = births, exits = list(deaths = deaths)) inconsistent.account isConsistent(inconsistent.account) consistent.account <- makeConsistent(inconsistent.account) consistent.account isConsistent(consistent.account)
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