allRegions              Polygon of all regions
anyIntersect            Check if a line has intersecting segments
bgWater                 Polygon of the non-regional ocean
checkIntersect          Check if line segments intersect
contourShift            Apply contour-shifting to bias correct
convToGrid              Convert 'SpatialPolygons' object to a grid
createMapping           Map a set of observations and predictions
currSecEx               Coordinates of a line segment with
                        self-intersections
discrep                 Discrepancy maps for February 1981-2011
emFeb19811982           Ensemble mean sea ice concentration for
                        February 1981-1982 (initialized in November)
emFeb2012               Ensemble mean sea ice concentration for
                        February 2012 (initialized in November)
extractCoords           Function to extract coordinates.
findHoles               Find holes in a polygon
getArea                 Calculate geodesic area
getCoords               Extract coordinates from a spatial object of
                        lines and points
getDist                 Find euclidean distance
getInd                  Find indices in matrix
getInitMonth            Get initialization month
getMap                  Map one observation or prediction
getRegion               Get polygons corresponding to regions
intLine                 Space points along a line
interEx                 Example of a line that contains
                        self-intersections
keepLine                Keep only spatial lines
keepPoly                Keep only spatial polygons
land                    Polygon of land
landMat                 Binary matrix indicating where there is land
makePolygons            Create polygon from mapped points
mappedPoints            Example of mapped points
mapxy                   Get geodetic latitudes and longitudes
obsFeb19811982          Observed sea ice February 1981-1982
obsFeb2012              Observed sea ice February 2012
obsLEx                  Coordinates of an observed line segment
predLEx                 Coordinates of a predicted line segment
quickRun                Simple evaluation of contour-shifting
readBootstrap           Read individual bootstrap binary file
readMonthlyBS           Read in a set of bootstrap observations over a
                        set of year
regionInfo              Information on the regions
rmHoles                 Remove holes in a polygon
spatialCollEx           Spatial collection example
untwist                 Remove self-intersections
untwistSec              Remove self-intersections from one section of a
                        contour
