View source: R/utility_functions.R
section_tunnel_by | R Documentation |
Chop data into X sections (of equal size) along a specified axis
section_tunnel_by(obj_name, axis = "position_length", number_of_sections = 20)
obj_name |
The input viewr object; a tibble or data.frame with attribute
|
axis |
Chosen axis, must match name of column exactly |
number_of_sections |
Total number of sections |
The idea is to bin the data along a specified axis, generally
position_length
.
A new column added to the input data object called section_id
,
which is an ordered factor that indicates grouping.
Vikram B. Baliga
## Load data and run section_tunnel_by()
test_mat <-
read_flydra_mat(system.file("extdata", "pathviewr_flydra_example_data.mat",
package = 'pathviewr'),
subject_name = "birdie_wooster") %>%
redefine_tunnel_center(length_method = "middle",
height_method = "user-defined",
height_zero = 1.44) %>%
select_x_percent(desired_percent = 50) %>%
separate_trajectories(max_frame_gap = 1) %>%
get_full_trajectories(span = 0.95) %>%
section_tunnel_by(number_of_sections = 10)
## Plot; color by section ID
plot(test_mat$position_length,
test_mat$position_width,
asp = 1, col = as.factor(test_mat$section_id))
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