Spatial Analytics Wrap up

Which R package have we mostly used for spatial data manipulation and analysis in R?

• ggplot

• dplyr

• rgdal

• sf

Which function in R is used to read shapefiles into R for spatial analysis?

• read_csv()

• read_rds()

• read_sf()

• read.table()

In R, what is the purpose of the "crs" attribute in spatial objects?

• It stores the coordinate reference system information

• It stores the spatial extent of the object

• It stores the attribute data associated with the object

• It stores the geometry type of the object

What statistic do we use to measure spatial autocorrelation?

• multivariate regression

• Moran's I

• Monte Carlo analysis

• Ripley's K

Which R package is commonly used for visualizing spatial data?

• leaflet

• plotly

• ggplot

• lattice

In R, what does the term "SpatialPolygonsDataFrame" represent?

• A dataframe containing spatial point data

• A dataframe containing spatial polygon data

• A dataframe containing spatial line data

• A dataframe containing non-spatial data

Which R function is used to perform spatial interpolation in R?

• krige()

• project()

• resample()

• extrapolate()

Which R function is used to calculate the area of polygons on a map?

• st_area()

• sf::st_length()

• sp::area()

• rgdal::polyarea()

True or False: The choice of map projection should consider the purpose of the map and the area of interest, as different projections have different strengths and weaknesses.

• TRUE

• FALSE

Which function in R is used to change the coordinate reference system (CRS) of a spatial object?

• proj4string()

• setCRS()

• st_transform()

• rgdal::project()