Sample integer number from given continuous vector of line lengths and probabilities, with total n
Sample integer number from given continuous vector of line lengths and probabilities, with total n
n_sample_length(n, l_lengths, weights)
n |
Sum of integer values returned |
l_lengths |
Numeric vector of line lengths |
weights |
Relative probabilities of samples on lines |
Other lines:
angle_diff(),
geo_toptail(),
is_linepoint(),
line2df(),
line2points(),
line_bearing(),
line_breakup(),
line_match(),
line_midpoint(),
line_sample(),
line_segment(),
line_via(),
mats2line(),
n_vertices(),
onewaygeo(),
points2line(),
toptail_buff(),
toptailgs(),
update_line_geometry()
n <- 10 l_lengths <- 1:5 weights <- 9:5 (res <- n_sample_length(n, l_lengths, weights)) sum(res) n <- 100 l_lengths <- c(12, 22, 15, 14) weights <- c(38, 10, 44, 34) (res <- n_sample_length(n, l_lengths, weights)) sum(res) # more examples: n_sample_length(5, 1:5, c(0.1, 0.9, 0, 0, 0)) n_sample_length(5, 1:5, c(0.5, 0.3, 0.1, 0, 0)) l <- flowlines[2:6, ] l_lengths <- line_length(l) n <- n_sample_length(10, l_lengths, weights = l$All)
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