if (requireNamespace("sf", quietly = TRUE)) {
turtles_sf1 <- sf::st_as_sf(
cbind.data.frame(
x = c(1, 2, 3), y = c(1, 2, 3),
age = c(0, 0, 3), sex = c("F", "F", "M")
),
coords = c("x", "y")
)
t1 <- sf2turtles(turtles_sf = turtles_sf1)
}
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