Check Data
Checks data.frame using
inherits(x, "data.frame")
chk_data(x, x_name = NULL) vld_data(x)
x |
The object to check. |
x_name |
A string of the name of object x or NULL. |
The chk_ function throws an informative error if the test fails.
The vld_ function returns a flag indicating whether the test was met.
vld_data: Validate Data
Other chk_is:
chk_array(),
chk_atomic(),
chk_function(),
chk_is(),
chk_matrix(),
chk_numeric(),
chk_s3_class(),
chk_s4_class(),
chk_vector(),
chk_whole_numeric()
# chk_data chk_data(data.frame(x = 1)) try(chk_data(1)) # vld_data vld_data(data.frame()) vld_data(data.frame(x = 1)) vld_data(c(x = 1))
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