all.is.numeric

0th

Percentile

Check if All Elements in Character Vector are Numeric

Tests, without issuing warnings, whether all elements of a character vector are legal numeric values, or optionally converts the vector to a numeric vector. Leading and trailing blanks in x are ignored.

Keywords
character
Usage
all.is.numeric(x, what = c("test", "vector"), extras=c('.','NA'))
Arguments
x
a character vector
what
specify what="vector" to return a numeric vector if it passes the test, or the original character vector otherwise
extras
a vector of character strings to count as numeric values, other than "".
Value

what="test" or a vector otherwise

See Also

as.numeric

Aliases
  • all.is.numeric
Examples
all.is.numeric(c('1','1.2','3'))
all.is.numeric(c('1','1.2','3a'))
all.is.numeric(c('1','1.2','3'),'vector')
all.is.numeric(c('1','1.2','3a'),'vector')
all.is.numeric(c('1','',' .'),'vector')
Documentation reproduced from package Hmisc, version 4.0-2, License: GPL (>= 2)

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