I'm a quantitative economist and software engineer building high-performance (C/C++-based) tools for general purpose statistical computing, econometric analysis, time series, geospatial analysis, and transport networks/modeling. Key packages I maintain are:
| Package | Short Description | Role | Stars | CRAN | Conda |
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| collapse | Advanced and Fast Data Transformation in R | Author |  |
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| fastverse | High-Performance Statistical Computing in R | Author |  |
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| kit | Data Manipulation Functions in C (for R) | Contrib |  |
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| dfms | Dynamic Factor Models for R | Author |  |
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| dggridR | Discrete Global Grids for R | Contrib |  |
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| osmclass | Classify Open Street Map Features | Author |  |
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| flownet | Transport Modeling in R | Author |  |
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| OTN.jl | Optimal Transport Networks in Spatial Equil. | Author |  |
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I also contributed to fixest, plm, and decompr. You can read more about these projects on my website and software blog.
Furthermore, I facilitate access to macroeconomic/development and geospatial data for Africa through several databases/APIs:
| Database | Short Description | CRAN | PyPI |
|---|---|---|---|
| Kiel Institute Africa Monitor | Pattform and Macroeconomic Database – 1000 Series with high Africa coverage, Global in Scope, Monthly Updates, R and Python APIs |  |
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| Africa Infrastructure Database | Infrastructure Assets, Businesses, and Economic Geography in Africa – 15.1M POIs, 4.4M km Networks, 54 Categories, Raw or 9.7km DGGrid | - | - |
| SAMADB | South Africa Macroeconomic Database – 10k Series & SARB, STATSSA, EconData; Weekly Updates; R/Python/Julia APIs; Hosted by Codera |  |
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| UGATSDB | Uganda Time Series Database – 10k Series & BoU, UBOS, MoFPED, WB, IMF, ILO; Monthly Updates; Maintained by MEPD @ MoFPED | - |
Lastly, I have released the following (unmaintained) apps and teaching materials:
| Name | Short Description | Stars |
|---|---|---|
| Data Science Programme | R Based Data Science Training for Public Sector Officials |  |
| Quantitative Spatial Economics | Replication of some Quantitative Spatial Economics Papers in Julia |  |
| DSA in C | Data Structures and Algorithms in C (+ Amazing Lecture Notes) |  |
| Academic Website | My Academic Website Template – Source of sebastiankrantz.com |  |
| Shiny Data Portal | A Shiny Application to Host, Filter, Aggregate and Download Data |  |
| Census Mapper | A Shiny Application for Interactive Mapping of Census Data |  |