is_valid: Test if object is valid

In dKvale/aermod: Interface to EPA's air dispersion model AERMOD

Test if object is valid

Description

Test for nchars() or nrows() of object. For lists, returns TRUE if at least one member of the list passes validity test. NA objects return FALSE.

Usage

is_valid(x, n = 1)

Arguments

x	Object for length test.
n	Minimum number of characters if character or numeric; Minimum number of rows if data frame.

Examples

# For a character string
is_valid("MyName", n = 3)

is_valid(as.character(NA), n = 1)

# For a data frame
is_valid(data.frame(X = 1), n = 1)

is_valid(data.frame(X = 1), n = 2)

# For numeric
is_valid(13, n = 2)

# For a list
is_valid(list(NA, "MyName"), n = 3)

dKvale/aermod documentation built on July 5, 2023, 4:25 a.m.