valid_PPPratio() calculates the PPP-ratio, which shows the variation
coefficient representing variability across products and across countries.
Usage
valid_PPPratio(
df,
Year = "Year",
`Product code` = "Product code",
Country = "Country",
`Average price of product` = "Average price of product"
)
Arguments
- df
add
- Year
add
- `Product
code` add
- `Country`
add
- `Average
price of product` add
Details
The (country) variation coefficient row measures the standard deviation of
the product PPPs for each country, thereby highlighting countries with the
highest variability.
The (product) variation coefficient column measures the standard
deviation among the PPP ratios for each product.