Changes in version 1.1.1 (2025-11-10) - Fixed a bug in load_uba_data_from_dir() where hours were not converted correctly to lubridate datetimes. - Changed alignment of rolling mean in plotting functions to "right". ubair 1.1.0 Initial CRAN Submission Public Release - First public release of ubair on CRAN. - Previous internal versions (pre-CRAN) were used privately or shared within a specific group. - The package is intended for use with air quality station measurement data. These can be obtained for Germany via Air Quality Data API (UBA) or per request to immission@uba.de{.email} - Includes the following features: - Counterfactual analysis: Apply counterfactual analysis to assess external effects on air quality based on meteorological data, with support for four models: LightGBM, Random Forest, Feedforward Neural Network, and Dynamic Regression. - Data detrending and retrending: Enable users to remove and reintroduce trends in data as needed. - Visualization and evaluation: Provide tools for visualizing and evaluating the results of counterfactual analyses. - Data preprocessing: Preprocess data to prepare it for counterfactual analysis.