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Apply Statistical Post-Processing to Improve Sea Ice Predictions

Vignettes

- README.md
- Contour-Shifting with the IceCast Package
- Fitting and Generating Contour Forecasts
- Mixture Contour Forecasting

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**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**Browse all...**

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