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.
Click here to expand for public databases, apps, and teaching materials
I also 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 |  |