Created
August 2, 2022 13:10
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| ```{r} | |
| fp <- "https://raw.githubusercontent.com/gdsbook/book/master/data/tokyo/tokyo_clean.csv" | |
| user <- readr::read_csv(fp) |> | |
| dplyr::filter(user_id == "95795770@N00") |> | |
| sf::st_as_sf(coords = c("x", "y")) | |
| hull <- sf::st_geometry(user) |> | |
| geos::geos_make_collection() |> | |
| geos::geos_concave_hull(ratio = 1) | |
| ``` | |
| ```{r} | |
| reticulate::use_condaenv("geo") | |
| ``` | |
| ```{python} | |
| import numpy | |
| import pandas | |
| import geopandas | |
| import pysal | |
| import seaborn | |
| from pointpats import centrography | |
| db = pandas.read_csv("https://raw.githubusercontent.com/gdsbook/book/master/data/tokyo/tokyo_clean.csv") | |
| user = db.query('user_id == "95795770@N00"') | |
| coordinates = user[['x','y']].values | |
| convex_hull_vertices = centrography.hull(coordinates) | |
| ``` | |
| ```{r} | |
| library(reticulate) | |
| pysal_convex <- sfheaders::sf_polygon(py$convex_hull_vertices) | |
| plot(sf::st_geometry(pysal_convex), border = "red") | |
| plot(sf::st_geometry(sf::st_as_sf(hull)), lty = 3, lwd = 3, add = TRUE) | |
| ``` | |
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My environment.yml