All {base}

R Documentation

Are All / Any Values True?

Usage

all(..., na.rm=FALSE)
any(..., na.rm=FALSE)

Value

Given a sequence of logical arguments, all returns a logical value indicating whether or not all of the elements of x are TRUE. The value returned is TRUE if all the values in x are TRUE, and FALSE if any the values in x are FALSE. If x consists of a mix of TRUE and NA values, then all returns NA.

Given a sequence of logical arguments, any returns a logical value indicating whether or not any of the elements of x are TRUE. The value returned is TRUE if any the values in x are TRUE, and FALSE if all the values in x are FALSE. If x consists of a mix of FALSE and NA values, then any returns NA.

For both functions the argument na.rm indicates whether NA values should be removed before the result is computed.

Examples

range(x <- sort(round(rnorm(10) - 1.2,1)))
if(any(x < 0)) cat("x contains negative values\n")
if(all(x < 0)) cat("all x values are negative\n")

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