Update a synthdid model — update.synthdid • synthdid

Update and re-fit a synthdid model with different options

Usage

# S3 method for class 'synthdid'
update(object, formula. = NULL, method = NULL, ...)

Arguments

object: A synthdid object
formula.: An optional new formula
method: An optional new method
...: Additional arguments

Value

An updated synthdid object

Examples

# \donttest{
data(california_prop99)
result <- synthdid(PacksPerCapita ~ treated,
  data = california_prop99,
  index = c("State", "Year")
)
# Update to use different method
result_did <- update(result, method = "did")
c(sdid = coef(result), did = coef(result_did))
#> sdid.treated  did.treated 
#>    -15.60379    -27.34911 
# }