Constructs homeranges and explores time use patterns from location data


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Documentation for package ‘tlocoh’ version 1.40.01

Help Pages

aoi Select an area of interest on a plot using the mouse
aoi2box Converts a dataframe with upper-left / lower-right coordinates of a box to a closed polygon
auto.a Parameters to select a reasonable value of 'a'
chop2plot Chops a long character object into separate lines for adding to a plot
clean_slivers Clean slivers
cube Cubes a number
cw Console wrap. Formats a string for printing to the console window
findonpath findonpath
get.vals Get x and/or y values from a plot using the mouse
hist.locoh.lhs Plot histograms of hull metrics
hist.locoh.lxy Plot histograms of properties of a LoCoH-xy object
hm.expr Hull metrics expressions
hsp2expr Returns a R expression that will recreate a saved scatterplot of hull metrics
hulls Extract hulls from a LoCoH-hullset
isopleths Extract isopleths from a LoCoH-hullset
lhs.anv.add Adds an ancillary value to a hullset
lhs.anv.del Delete ancillary variables from a LoCoH-hullset
lhs.dr.add Define directional routes
lhs.ellipses.add Compute hull bounding ellipses
lhs.exp.csv Export a LoCoH-hullset to csv
lhs.exp.mov Create a Quicktime animation from a LoCoH-hullset object
lhs.exp.shp Export a LoCoH-hullset to shapefile
lhs.filter.anv Define subsets of hulls based on an ancillary variable
lhs.filter.hsp Define subsets of hulls based on the location of the parent point in hull scatterplot space
lhs.hsp.add Adds a hull scatterplot to a LoCoH-hullset object
lhs.hsp.del Delete a hull scatterplot from a LoCoH-hullset object
lhs.ids.get Get the ids in a hullsets
lhs.iso.add Compute isopleths
lhs.iso.del Delete an isopleth
lhs.merge Merge LoCoH-hullsets
lhs.pep.add Add hull metrics for proportion of enclosed points by each hull for an ancillary variable
lhs.plot.isoarea Plot the area of isopleths as a function of the k/a/r parameter
lhs.plot.isoear Plot the isopleth edge:area ratio as a function of k/a/r
lhs.plot.revisit Plot distribution of revisit times
lhs.plot.scatter Create scatterplot of hull metrics
lhs.plot.scatter.auto Generate multiple scatterplots of hull metrics
lhs.save Save a LoCoH-hullset object to disk
lhs.select Select hullsets
lhs.visit.add Add time use hull metrics to a LoCoH-hullset object
LoCoH-hullset Class for a hullsets
LoCoH-xy Class for location data
locoh.lhs Class for a hullsets
locoh.lhs-class Class for a hullsets
locoh.lxy Class for location data
locoh.lxy-class Class for location data
lxy.amin.add Finds the value of a such that p percent of points are a nearest neighbor for at least one hull
lxy.anv.add Add ancillary variable(s) to a LoCoH-xy object
lxy.exp.csv Export coordinates to a csv file
lxy.exp.kml Export a lxy object to kml (Google Earth)
lxy.exp.mov Create an animation from a LoCoH-xy object
lxy.exp.shp Export a LoCoH-xy to shapefile
lxy.gridanv.add Add ancillary variable(s) to a LoCoH-xy object from a raster
lxy.id.new Change the id value(s) in a LoCoH-xy object
lxy.identify.aoi Identify the points that fall within a bounding box
lxy.lhs Create a LoCoH-hullset object from a LoCoH-xy object
lxy.merge Merges LoCoH-xy object
lxy.nn.add Identifies nearest neighbors for a LoCoH-xy object
lxy.plot.freq Plots of sampling frequency
lxy.plot.mtdr Plot distribution of the ratio the maximum theoretical distance ratio for nearest neighbors
lxy.plot.pt2ctr Plot distance to centroid over time
lxy.plot.ptsh Plots the proportion of time-selected hulls over 's'
lxy.plot.sfinder Plot distributions of 's' such that the vmax/diffusion term in TSD are equivalent to the actual displacement
lxy.plot.tspan Plot distributions of the time span of nearest neighbors
lxy.proj.add Specify the projection system for a LoCoH-xy object
lxy.ptsh.add Compute s vs. proportion-time-selected hulls table
lxy.repair Repair a LoCoH-xy object
lxy.reproject Project or reproject coordinates
lxy.save Save a LoCoH-xy object to disk
lxy.subset Take a subset of a LoCoH-xy object
lxy.thin.bursts Thins out the 'bursts' in a GPS dataset
lxy.thin.byfreq Delete locations to harmonize the sampling frequency and time duration
matperim matperim
move.lxy Converts a Move object to a LoCoH-xy object
mvee mvee
n2z Convert NULL to a zero
plot.locoh.lhs Plot a LoCoH-hullset object
plot.locoh.lxy Plot LoCoH-xy object
secs.fmt Format a number of seconds as minutes, hours or days
square square
strSplitAtChar Split a character object into multiple lines
strTrim Trim leading and/or trailing blanks from a character object
summary.locoh.lhs Show summary of a LoCoH-hullset
summary.locoh.lxy Show a summary of a LoCoH-xy object
textContrastColor Choose a white or black plot background for a particular color of text
toni Tracking data for one buffalo in South Africa
tsd.zvals Space-time transformation term for TSD
vectorize.parameter Convert a comma-separated string to a vector
xyt.lxy Create a LoCoH-xy object