is_rectangular_matrix.Rd
is_rectangular_matrix(x)
tests whether x
is
a rectangular matrix (i.e. number of rows different from
number of columns) is_tall_matrix(x)
tests
whether x
is a matrix with more rows than columns
is_wide_matrix(x)
tests whether x
is a
matrix with more columns than rows
is_rectangular_matrix(x)
an R object
rec = matrix(1:12, 4, 3)
tall = matrix(1:21, 7, 3)
wide = matrix(1:21, 3, 7)
sqr = matrix(1:9, 3, 3)
is_rectangular_matrix(rec) # TRUE
#> [1] TRUE
is_rectangular_matrix(sqr) # FALSE
#> [1] FALSE
is_not_rectangular_matrix(sqr) # TRUE
#> [1] TRUE
is_tall_matrix(tall) # TRUE
#> [1] TRUE
is_tall_matrix(wide) # FALSE
#> [1] FALSE
is_tall_matrix(sqr) # FALSE
#> [1] FALSE
is_wide_matrix(wide) # TRUE
#> [1] TRUE
is_wide_matrix(tall) # FALSE
#> [1] FALSE
is_wide_matrix(sqr) # FALSE
#> [1] FALSE