negative: Apply method to Positive and Negative number

In Rfast: A Collection of Efficient and Extremely Fast R Functions

Apply method to Positive and Negative number

Description

Apply method to Positive and Negative number.

Usage

negative(x,method = "min")
positive(x,method = "min")
positive.negative(x,method = "min")

Arguments

x	A numerical vector with data.
method	Accept 3 values. "min", "max", "min.max".

Details

These functions apply the chosen method to the chosen subset (negative, positive, or both) from the vector and return the result.

Value

negative: apply the chosen method to every negative number of the input vector. positive: apply the chosen method to every positive number of the input vector. positive.negative: apply the chosen method to every negative and positive number of the input vector.

Author(s)

Manos Papadakis

R implementation and documentation: Manos Papadakis <[e-mail]>.

See Also

nth, colnth, rownth,sort_unique, Round

Examples

x <- rnorm(1000)

identical(negative(x,"min"), min(x<0))
identical(positive(x,"min"), min(x>0))
identical(positive.negative(x,"min"), c(min(x<0),min(x>0)))

x<-NULL

Rfast documentation built on Nov. 9, 2023, 5:06 p.m.