| BD_Coord | Precipitation Station Coordinates Dataset |
| BD_Obs | Observed Data from Ground Stations |
| create_data | Create a Unified Observation Dataset in the BD_Obs Format from Multiple CSV Files This function constructs a unified dataset ('BD_Obs' structure) by merging multiple CSV files, each containing in-situ observations from different stations. The function standardizes the format required by downstream interpolation or bias correction algorithms by aligning all station data into a single 'data.table', with dates as rows and station identifiers as columns. |
| Cressman | Cressman Objective Analysis Method |
| IDW | Inverse distance weighted interpolation (IDW) |
| RFmerge | Merging of satellite datasets with ground observations using Random Forest |
| RFplus | Machine learning algorithm for fusing ground and satellite precipitation data. |