tester (version 0.1.7)

is_one_dim: Test if an object has one-dimension

Description

Returns TRUE if an object is a vector or a one-dimensional matrix, FALSE otherwise

Usage

is_one_dim(x)

Value

whether x is one-dimensional

Arguments

x

an R object

Examples

# vector
is_one_dim(1:5)  # TRUE

# factor
is_one_dim(iris$Species)  # TRUE

# one row matrix
is_one_dim(matrix(1:5, 1, 5))  # TRUE

# one column matrix
is_one_dim(matrix(1:5, 5, 1))  # TRUE

# general matrix (nrow>1, ncol>1)
is_one_dim(matrix(1:9, 3, 3))  # FALSE

# general data frame
is_one_dim(iris)  # FALSE