Exercise

Types of sf objects

You have seen that there are data files, particularly .KML files in the examples shown in the video, that can be imported and stored as sf objects using st_read() and st_as_st().

Furthermore, different sf objects may be of different geometry types.

Particularly, there are four sf objects stored here as:

london_poly
london_loop
london_capital
listings_geo

The sf and tidyverse libraries have been loaded.

In the following, which of the statements is true? It will be helpful to print each object, and/or its attributes in the console.

Instructions

50 XP

Possible answers

Out of the four sf objects, only london_poly is of type MULTIPOLYGON.

There are three sf objects of geometry type LINESTRING.

There is no sf object of geometry type POINT.