Create GDP and Population Scenarios

R package mrdrivers, version 7.2.0

Purpose and Functionality

Create GDP and population scenarios This package constructs the GDP and population scenarios used as drivers in both the REMIND and MAgPIE models.

Framework

This package depends upon the madrat and magclass packages. It integrates into the madrat framework and is structured accordingly. It mainly uses magpie objects (from the magclass package). For more information on madrat or magclass, please visit the respective github repositories (madrat, magclass).

Functions

The key madrat::readSource() and madrat::calcOutput() functions provided by this package are listed below.

readSource:

#> [1] "readSSP"       "readWDI"       "readIMF"       "readUN_PopDiv"
#> [5] "readPEAP"

calcOutput:

#> [1] "calcGDP"          "calcGDPpc"        "calcPopulation"   "calcLabour"      
#> [5] "calcUrban"        "calcRatioPPP2MER"

Then there are number of important and/or useful tool functions:

• The function tooGetUnitDollar() is where the default unit for all monetary units in REMIND and MAgPIE is defined.
• The function tooGetScenarioDefinition() is where the scenarios are defined and can be helpful when searching for scenario information.
• The functions toolGeneralConvert(), toolHarmonizePast() and toolHarmonizeFuture() handle common tasks and are potentially useful outside of mrdrivers.

Scenarios

See vignette("scenarios") for more information on - and references for - available scenarios.

Installation

For installation of the most recent package version an additional repository has to be added in R:

r options(repos = c(CRAN = "@CRAN@", pik = "https://rse.pik-potsdam.de/r/packages")) The additional repository can be made available permanently by adding the line above to a file called .Rprofile stored in the home folder of your system (Sys.glob("~") in R returns the home directory).

After that the most recent version of the package can be installed using install.packages:

r install.packages("mrdrivers")

Package updates can be installed using update.packages (make sure that the additional repository has been added before running that command):

r update.packages()

Tutorial

The package comes with a vignette describing the basic functionality of the package and how to use it. You can load it with the following command (the package needs to be installed):

r vignette("scenarios") # Scenarios

Questions / Problems

In case of questions / problems please contact Johannes Koch jokoch@pik-potsdam.de.

Citation

To cite package mrdrivers in publications use:

Koch J, Soergel B, Leip D, Benke F, Dietrich J (2025). "mrdrivers: Create GDP and Population Scenarios." Version: 7.2.0, https://pik-piam.github.io/mrdrivershttps://github.com/pik-piam/mrdrivers.

A BibTeX entry for LaTeX users is

latex @Misc{, title = {mrdrivers: Create GDP and Population Scenarios}, author = {Johannes Koch and Bjoern Soergel and Deborra Leip and Falk Benke and Jan Philipp Dietrich}, date = {2025-06-06}, year = {2025}, url = {https://pik-piam.github.io/mrdrivers}, url = {https://github.com/pik-piam/mrdrivers}, note = {Version: 7.2.0}, }