View source: R/extend_to_useful.R
sep_eta_fu_phi_u | R Documentation |
Choose eta.fu or phi.u columns from a data frame of eta.fu and phi.u vectors.
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 )
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 |
countries |
The countries to be analyzed. |
country |
See IEATools::iea_cols. |
A data frame of metadata and either an eta_fu column or a phi_u column
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