Man pages for ppintosilva/anprflows
Explore and Model ANPR Traffic Flows
| all_paths | Search for all simple paths from source to sink. This is a... |
| assert_cols | Assert that cols are present in input tibble |
| assert_tibble | Assert that input is a tibble |
| assert_tidygraph | Assert that input is a tidygraph |
| blank_plot | Get an empty ggplot |
| count_sequences | Get and count trip sequences |
| crop_spatial | Crop spatial features based on od pairs. |
| cross_super_sequences | Compute the cross product of one set of trip sequences and... |
| cut_flows | Get the subset of flows whose OD pairs account for the top p... |
| dayperiod | Categorise time into its corresponding period of the day |
| expand_sequences | Expand any trip sequence of length 3 or greater, with their... |
| fill_time_gaps | Make missing time steps explicit (zero vehicle count). |
| first_element_greater | Get first element greater than number in vector. |
| flow_edges | Get edges tibble from flow network |
| flow_network | Create a tidygraph from flows and remove spurious edges in... |
| flow_nodes | Get nodes tibble from flow network |
| get_corridors | Get corridors from observed sequences (wrapper) |
| get_corridor_set | Compute corridor set from ordinary sequences |
| get_datetime_labels | Get pretty time labels from breaks. Full format is applied to... |
| get_flows_l | Calculate flows at all unique locations of the road network |
| get_flows_od | Calculate flow rates for all OD pairs in the road network |
| get_neighbors | Get the subset of the flow network which contains all nodes... |
| get_sink | Find and return the sink node of a graph |
| get_source | Find and return the source node of a graph |
| get_subgraphs | Label nodes according to the subgraph, if any, which they... |
| get_super_sequences | Find the subset of ordinary sequences that are not a... |
| get_total_flow | Get the total od flow in the network. |
| is_simple_path | Does the simple path exist in G |
| is_valid_corridor | Determine if the input corridor is valid |
| join_sequences | Obtain the set of observed sequences from a trip dataset, the... |
| ordinary_sequences | Calculate the subset of trip sequences which are ordinary. |
| pipe | Pipe operator |
| read_flows_csv | Read one or more flows csv files into R |
| reduce_sequences | Sum the number of occurrences across each sequence. |
| route_utility | Calculate the utility loss of each sequence, given the... |
| seq_first | Get first element of a string sequence |
| seq_last | Get last element of a string sequence |
| seq_split | Split string sequence by sep |
| stop_if_multiple_time_steps | Check whether time column exists and throw error |
| subgraph_labels | Label nodes according to the subgraph, if any, which they... |
| top_flows | Get the subset of flows whose OD pairs account for the top p... |
| try_st_crop | Check whether time column exists and throw error |
| vec_all_paths | For each Search for all simple paths from source to sink.... |
