Add GDP to Country Data
Usage
add_gdp_column(
df,
id_column,
id_type = "iso3_code",
date_column = NULL,
target_column = "gdp",
usd = TRUE
)
Arguments
- df
A data frame containing country identifiers.
- id_column
Name of the column containing country identifiers.
- id_type
Type of country identifier. Defaults to "iso3_code".
- date_column
Optional. Name of the column containing dates for time-specific data.
- target_column
Name of the output column. Defaults to "gdp".
- usd
Logical. Indicates whether GDP should be in USD or local currency. Defaults to "TRUE".
Examples
# \donttest{
# Add most recent GDP values
df <- data.frame(country = c("USA", "CHN", "DEU"))
result <- add_gdp_column(df, id_column = "country")
# Add year-specific GDP values
df <- data.frame(country = c("USA", "CHN"), year = c(2019, 2020))
result <- add_gdp_column(df, id_column = "country", date_column = "year")
# }