Validation of Seasonal Weather Forecasts
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Documentation for package ‘SeaVal’ version 1.2.0
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| add_climatology | Add climatology to a data table |
| add_country | Same as add_country_names |
| add_country_names | Add country names to a data table with lon/lat coordinates |
| add_tercile_cat | Add a tercile-category column to a data table |
| add_tercile_probs | Add tercile probabilities to ensemble forecasts |
| are_all_elements_within_eps | Check if all elements of x are within tolerance eps of any element in y |
| by_cols_ens_fc_score | Auxiliary function |
| by_cols_terc_fc_score | Auxiliary function |
| by_cols_terc_fc_score_sp | Auxiliary function |
| checks_ens_fc_score | Auxiliary function for scores of ensemble forecasts. |
| checks_terc_fc_score | Auxiliary function for scores for tercile forecasts. |
| chirps_dir | CHIRPS directory |
| chirps_monthly | Monthly mean precipitation |
| chirps_ver_map_quantiles | Calculates and saves the quantiles of CHIRPS data required for verification maps. |
| climatology_ens_forecast | Returns a leave-one-year-out climatology-based ensemble forecast |
| climatology_threshold_exceedence | Get climatological prediction for exceedence probabilities. |
| combine | Combine two data tables |
| complete_regular_grid | Expand Regular Spatial Grid |
| convert_monthly_to_seasonal | Convert a data table from monthly to seasonal format |
| CPA | Coefficients of Predictive Ability |
| create_diagram_by_level | Auxiliary function to simplify grouping for diagrams |
| CRPS | Continuous Ranked Probability Score |
| CRPSS | Continuous Ranked Probability Skill Score |
| crps_aux | Auxiliary function for calculating crps. |
| crps_aux_esc | Auxiliary function for calculating crps with ensemble size correction by Ferro et al. 2008. |
| data_dir | Auxiliary function to access and change the directory used to load and save data. |
| delete_redundant_files | Auxiliary function cleaning out the directories, called at the end of the CHIRPS download. |
| dimvars | Get dimension variables |
| disc_score_dt | Generalized Discrimination score |
| DISS | Generalized discrimination score |
| download_chirps_monthly | Download monthly CHIRPS-data |
| download_chirps_monthly_high | Auxiliary function called by download_chirps_monthly |
| download_chirps_monthly_low | Auxiliary function called by download_chirps_monthly |
| download_chirps_prelim_aux | Auxiliary function for downloading the preliminary CHIRPS monthly data |
| dt_to_netcdf | Write a netcdf from a long data table |
| EA_country_names | Get names of countries in east Africa |
| ecmwf_monthly | Monthly mean precipitation forecast example dataset |
| EIR | Effective Interest Rate |
| fc_cols | Forecast column names |
| get_mask | Function to create a mask of dry regions from CHIRPS |
| get_quantiles | Calculate quantiles from a data table |
| get_terciles | get terciles from a data table |
| ggplot_dt | plotting function for spatial data |
| ggplot_dt_gha_map | Plotting function with different map for Greater Horn of Africa |
| ggplot_dt_shf | Plotting function with different map for Greater Horn of Africa |
| GHA_extent | GHA-bounding-box |
| gha_plot | Plotting function with different map for Greater Horn of Africa |
| grid_info | Retrieve spatial grid information from a data table |
| HS | Hit score |
| HSS | Hit Skill Score |
| IGS | Ignorance Score |
| IGSS | Ignorance Skill score |
| indicator_times_value_aux | Auxiliary function for multiplying two numbers such that 0 x infty is 0. Needed for the ignorance score: 0log(0) should be 0. |
| load_chirps | Function for loading CHIRPS (monthly) data. |
| lt_cols | Data table column names that are recognized as leadtime |
| MB | Multicategory Brier score |
| MBS | Multicategory Brier Skill score |
| modify_dt_map_plotting | Auxiliary function for checking dimensions for map-plotting |
| MSD_to_YM | Converts time given as 'months since date' (MSD) into years and months (YM) |
| MSE | Mean Square Error of ensemble forecasts. |
| MSES | Mean Square Error Skill score |
| netcdf_to_dt | function for converting netcdfs to long data tables. |
| obs_cols | Observation column names |
| obs_dimvars | Auxiliary function returning observation dimvars. |
| PCC | Pearson Correlation Coefficient |
| profit_graph | (Accumulative) profit graphs |
| REL | Reliability score |
| rel_diag | Reliability Diagrams for tercile forecasts |
| rel_diag_vec | Reliability diagram from vectors of probabilities and observations |
| RES | Resolution score |
| restrict_to_confer_region | restricts data to the Greater Horn of Africa |
| restrict_to_country | restricts data to a specified country |
| restrict_to_GHA | restricts data to the Greater Horn of Africa |
| ROCS | ROC-score/Area Under Curve(AUC) |
| ROC_curve | ROC curve for tercile forecasts |
| roc_curve_vec | ROC curves |
| roc_score_vec | ROC score (AUC) |
| round_probs | auxiliary function for rounding probabilities |
| RPS | Ranked Probability score |
| RPSS | Ranked Probability skill score |
| run_dimension_check_ens_fc_score | Auxiliary Function |
| run_dimension_check_terc_forecast | Auxiliary Function |
| season_strings_to_int | Auxiliary function for decoding season-strings |
| set_spatial_grid | Set Spatial Grid Attributes to a Data Table |
| space_dimvars | Auxiliary function |
| SRC | Compute the slope of the reliability curve |
| tc_cols | Tercile column names |
| tendency_diag | Tendency diagram from a data table containing tercile forecasts. |
| tercile_plot | Function for plotting terciles |
| tfc_from_efc | Get tercile probability forecast from ensemble forecasts |
| tfc_gha_plot | Plotting function with different map for Greater Horn of Africa |
| tfc_plot | plotting function for tercile forecasts |
| time_dimvars | Auxiliary function |
| upscale_chirps | Upscales monthly CHIRPS data to a coarser grid |
| upscale_regular_lon_lat | Function for matching data between different grids |
| ver_map | Plot a verification map of percentiles |
| ver_map_chirps | Plot a verification map of percentiles based on precomputed CHIRPS quantiles. |