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Let’s use the SMMT package and the municipality inventory data to analyse the number of mutations.
By now, we know that municipalities change frequently in Switzerland. To get a better grasp, how often mutations occur, we can analyse the yearly frequency of these changes.
start_date <- seq.Date(as.Date("1960-01-01"), to = as.Date("2022-01-01"), by = "1 year")
res <- mutation_count(mutations = mutations_object$mutations,
start_date, start_date + lubridate::years(1),
territorial_changes_only = FALSE)
p <- ggplot(data = res, aes(start_date, number_of_mutations_in_period)) + geom_bar(stat = "identity")
print(p)This calculation also includes the administrative changes as well. Mutations that had a territorial effect can be calculated as follows:
res <- territorial_mutation_count(mutations = mutations_object$mutations,
start_date, start_date + lubridate::years(1))
p <- ggplot(data = res, aes(start_date, number_of_mutations_in_period)) + geom_bar(stat = "identity")
print(p)These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.