Software
Here you can find a selection of my published software. Download numbers refer to realized lifetime downloads by the end of Aug 30, 2026.
R packages
Welcome
Move your mouse over a package icon to learn more. Click an icon to go to the package’s CRAN or GitHub page.
smoots
Description:
Nonparametric Estimation of the Trend and Its Derivatives in Time Series
Year:
2026
Authors:
Feng, Y., Letmathe, S., Schulz, D. (Maintainer)
Version:
1.1.5
Available on:
CRAN
Downloads:
42,988
esemifar
Description:
Smoothing Long-Memory Time Series
Year:
2024
Authors:
Feng, Y., Beran, J., Letmathe, S., Schulz, D. (Maintainer)
Version:
2.0.1
Available on:
CRAN
Downloads:
22,230
deseats
Description:
Data-Driven Locally Weighted Regression for Trend and Seasonality in Time Series
Year:
2026
Authors:
Feng, Y., Schulz, D. (Maintainer)
Version:
1.1.3
Available on:
CRAN
Downloads:
12,072
fEGarch
Description:
Short-Memory/Long-Memory EGARCH & GARCH, VaR/ES Backtesting & Dual Long-Memory Extensions
Year:
2026
Authors:
Schulz, D. (Maintainer), Feng, Y., Peitz, C., Ayensu, O. K.
Version:
1.0.7
Available on:
CRAN
Downloads:
5,461
smardapi
Description:
Access to the SMARD API of the German Federal Network Agency
Year:
2026
Authors:
Schulz, D. (Maintainer)
Version:
0.1.2
Available on:
GitHub
Downloads:
—
ufRisk
Description:
Risk Measure Calculation in Financial Time Series
Year:
2023
Authors:
Feng, Y., Zhang, X., Peitz, C., Schulz, D., Li, S., Letmathe, S. (Maintainer)
Version:
1.0.7
Available on:
CRAN
Downloads:
15,482
R dashboards & R Shiny apps
Python projects
smardapi
Description:
Access to the SMARD API of the German Federal Network Agency
Year:
2026
Authors:
Schulz, D.
Available on:
GitHub
Immo_Webscraper
Description:
An Automated Webscraper for ImmobilienScout24.de Using Python’s Playwright
Year:
2026
Authors:
Schulz, D.
Available on:
GitHub