# NOT RUN {
sp1 <- SpatialPointsDataFrame(coords = cbind(x = c(1, 2, 3), y = c(1, 2, 3)),
data = cbind.data.frame(age = c(0, 0, 3),
sex = c("F", "F", "M")))
t1 <- spdf2turtles(spdf = sp1)
# }
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