ratios: Ratios of Subsequent Elements in a Vector

Description Usage Arguments Value Examples

View source: R/RcppExports.R

Description

Calculates vector of ratios of a vector, i.e. ratio of x[2] to x[1], ratio of x[3] to x[2], and so forth.

Usage

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ratios(x)

Arguments

x

Numeric vector.

Value

Numeric vector.

Examples

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# Generate 10 values from N(0, 1)
x <- rnorm(10)

# Calculate vector of ratios
(y <- ratios(x))

# Slower base R computation
len <- length(x)
y2 <- x[2: len] / x[1: (len - 1)]
all.equal(y, y2)

vandomed/stocks documentation built on Sept. 2, 2018, 10:10 a.m.