Generate sf objects (9)

df <- tibble(v1 = c("A", "B", "C", "D"))
df

## # A tibble: 4 × 1
##   v1   
##   <chr>
## 1 A    
## 2 B    
## 3 C    
## 4 D

p_sf <- st_sf(df, geometry = p_sfc)
p_sf

## Simple feature collection with 4 features and 1 field
## Geometry type: GEOMETRY
## Dimension:     XY
## Bounding box:  xmin: 2 ymin: 0 xmax: 13 ymax: 4
## CRS:           NA
## # A tibble: 4 × 2
##   v1                                                                    geometry
##   <chr>                                                               <GEOMETRY>
## 1 A                                                                  POINT (2 2)
## 2 B                                                                POINT (2.5 3)
## 3 C               MULTIPOINT ((6 2), (6.1 2.6), (6.8 2.5), (6.2 1.5), (6.8 1.8))
## 4 D     POLYGON ((10 0, 11 0, 13 2, 12 4, 11 4, 10 0), (11 1, 11 2, 12 2, 11 1))