Choose eta.fu or phi.u columns from a data frame of eta.fu and phi.u vectors.
sep_eta_fu_phi_u.RdChoose eta.fu or phi.u columns from a data frame of eta.fu and phi.u vectors.
Usage
sep_eta_fu_phi_u(
eta_fu_phi_u_vecs,
keep = c(IEATools::template_cols$eta_fu, IEATools::template_cols$phi_u),
countries,
country = IEATools::iea_cols$country
)Arguments
- eta_fu_phi_u_vecs
A data frame containing metadata columns and columns for eta_fu (final to useful efficiency) and phi_u (exergy-to-energy efficiency ratios).
- keep
Tells which column to keep, eta_fu or phi_u. Must be one of
IEATools::template_cols$eta_fuorIEATools::template_cols$phi_u.- countries
The countries to be analyzed.
- country
See IEATools::iea_cols.