Interpolate values in a dataset, by year. Interpolate values in a dataset, by year.

Interpolate values in a dataset, by year. Interpolate values in a dataset, by year.

Usage

interpolate_yearly(data, ...)

Arguments

data

An input dataset. Must contain the columns year and value.

...

Other grouping variables. value will be interpolated for each group.

Value

A dataset with the column value interpolated linearly against the column year.