all.is.numeric {Hmisc} | R Documentation |
Tests, without issuing warnings, whether all elements of a character vector are legal numeric values, or optionally converts the vector to a numeric vector.
all.is.numeric(x, what = c("test", "vector"))
x |
a character vector |
what |
specify what="vector" to return a numeric vector if
it passes the test, or the original character vector otherwise |
a logical value if what="test"
or a vector otherwise
Frank Harrell
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')