Apply Statistical Post-Processing to Improve Sea Ice Predictions

all_regions | Polygon of all regions |

any_intersect | Check if a line has intersecting segments |

bg_water | Polygon of the non-regional ocean |

bound_info | Get boundary info |

calc_pars | Compute Parameters Estimates |

censor | Truncate simulated line lengths based on a list of bounds |

check_intersect | Check if line segments intersect |

clim_9_2005_2007 | Climatology forecast for 2005-2007. |

clim_9_2008 | Climatology forecast for 2008. |

cond_prob | Compute conditional probability of observed event |

contig_zero | Find indices of sequences of contiguous zeros |

contour_shift | Apply contour-shifting to bias correct |

conv_to_grid | Convert 'SpatialPolygons' object to a grid |

create_mapping | Map a set of observations and predictions |

currSecEx | Coordinates of a line segment with self-intersections |

discrep | Discrepancy maps for September 1993-2007 (lead time... |

dist_mat | Compute 'distances' among $n$ lines |

ecmwf_bin | Binary predictions from ECMWF ensemble, September 1993-2018 |

extract_coords | Function to extract coordinates. |

find_trans | Find transition points (points at the start/end of polygons) |

fit_cont_pars | Sets up MCMC to fit the parameters of the contour Model in R,... |

fit_weights | Compute weighting between two models |

full | Sample collection of completely ice-filled regions |

gen_cont | Generate contours |

get_area | Calculate geodesic area |

get_coords | Extract coordinates from a spatial object of lines and points |

get_dist | Find euclidean distance |

get_ind | Find indices in matrix |

get_init_month | Get initialization month |

get_map | Map one observation or prediction |

get_region | Get polygons corresponding to regions |

indiv_poly | Generate an individual polygon from a set of points |

interEx | Example of a line that contains self-intersections |

interp_new_pts | Interpolate along region boundaries |

inter_start_line | Add points where line connecting point sequence crosses... |

int_line | Space points along a line |

keep_line | Keep only spatial lines |

keep_poly | Keep only spatial polygons |

land | Polygon of land |

land_mat | Binary matrix indicating where there is land |

make_polygons | Create polygon from mapped points |

map_curr_1 | Sample output from 'get_map' |

mappedPoints | Example of mapped points |

mapxy | Get geodetic latitudes and longitudes |

merge_conts | Merge contours |

merged | Sample list of contours |

obs_9_2005_2007 | Observed sea ice for September 2005-2007 |

obs_9_2008 | Observed sea ice for September 2008 |

obsLEx | Coordinates of an observed line segment |

obs_maps | Output from 'create_mapping' function |

obsSep2006_2007 | Observed sea ice September 2006-2007 |

obsSep2008 | Observed sea ice September 2008 |

pars_1 | Sample parameter information for generating a contour |

ppe_9_2005_2007 | Post-procesed ensemble forecast for 2005-2007 |

ppe_9_2008 | Post-procesed ensemble forecast for 2008 |

predLEx | Coordinates of a predicted line segment |

pred_maps | Computed mappings for predictions for September 1993-2008 |

prob_map | Get probabilities on a grid from contours |

prop_area | Proportion of total area by grid box |

pt_line_inter | Check if a point crosses a line segment |

quick_run | Simple evaluation of contour-shifting |

read_bootstrap | Read individual bootstrap binary file |

read_monthly_BS | Read in a set of bootstrap observations over a set of year |

reg_info | List of information about each region |

rm_holes | Remove holes in a polygon |

RunMCMC | Run MCMC to Fit Contour Model |

sec_to_interp | Interpolate a section of line |

sipSep2006_2007 | Ensemble sea ice probability for September 2006-2007 (lead... |

sipSep2008 | Ensemble estimated sea ice probability September 2008 (lead... |

spatialCollEx | Spatial collection example |

to_fit | Identify fully ice-covered and ice-free regions |

train_ind | Find indices on which to train contour model |

ts_adj_mu | Trend Adjustment For 'mu' |

untwist | Remove self-intersections |

untwist_sec | Remove self-intersections from one section of a contour |

wght_mod | Function to weight two models |

y_obs | Compute y |

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