R: Examples for 'base::vector'

### ** Examples

df <- data.frame(x = 1:3, y = 5:7)
## Error:
try(as.vector(data.frame(x = 1:3, y = 5:7), mode = "numeric"))

Error in as.vector(x, mode = mode) : 
  'list' object cannot be coerced to type 'double'

x <- c(a = 1, b = 2)
is.vector(x)

[1] TRUE

as.vector(x)

[1] 1 2

all.equal(x, as.vector(x)) ## FALSE

[1] "names for target but not for current"

###-- All the following are TRUE:
is.list(df)

[1] TRUE

! is.vector(df)

[1] TRUE

! is.vector(df, mode = "list")

[1] TRUE

is.vector(list(), mode = "list")

[1] TRUE

Examples for 'base::vector'