Man pages for sftrack
Modern Classes for Tracking and Movement Data
| active_group | Access the active_group value |
| active_group_replace | Set new active group |
| as_sftrack | Convert objects into sftrack objects. |
| as_sftraj | Convert objects into sftrack objects. |
| calc_sort_index | Calculate a new sort index for groups |
| check_group_id | Check there is a grouping id present |
| check_group_names | Are group names equivalent for each s_group? |
| check_NA_coords | Check if coordinates contain NAs in some columns but not... |
| check_NA_group | Check there are no NAs in burst |
| check_names_exist | Check if a set of column names are found in a data frame and... |
| check_ordered | Checks if grouping is ordered by time and then outputs the... |
| check_time | Check if time is integer or posix |
| check_t_regular | Check if time is regular for each burst and returns logical... |
| dup_timestamp | check that time is unique |
| fix_zero | fix 0's to NAs in latitude and longitude |
| geom_sftrack | Function to plot sftrack objects in ggplot |
| grouping-class | A class to group movement data |
| group_labels | Shows grouping labels created from the s_group and the... |
| group_name | Display the levels of the sort index |
| is_linestring | Is a trajectory geometry a linestring or a point |
| make_step_geom | Calculate step geometries given a set of groupings, time, and... |
| merge_traj | Merge connected lines and create an sf object |
| new_sftrack | Define an sftrack |
| new_sftraj | Define an sftraj |
| plot_sftrack | Methods for plotting sftrack/sftraj |
| Print_sftrack_objects | Print methods for sftrack |
| Print_sftraj_objects | Print methods for sftraj |
| raccoon | Movements of two raccoons in an urban park in Florida |
| step_metrics | Calculates step metrics including distance, dt, dx, and dy. |
| step_recalc | recalculate step geometry |
| summary_sftrack | Summarize sftrack objects |
| traj_geom | Return a list of sf_POINTS or a data.frame from a sftraj... |
| which_duplicated | Which grouping/time stamp combos are duplicated. |
