cBar_LCL: Lower Control Limit: Count Data (c-chart)

In kenithgrey/ggQC: Quality Control Charts for 'ggplot'

Description

Calculates lower control limit (LCL) for count data acquired over the same-sized area of opportunity. Negative values are reported as 0.

Usage

cBar_LCL(y, na.rm = FALSE, ...)

Arguments

y	Vector of count data. Each observation having the same-area of opportunity.
na.rm	a logical value indicating whether NA values should be stripped before the computation proceeds.
...	further arguments passed to or from other methods.

Value

A number; 3-sigma lower control limit (LCL). Function returns 0 for negative values.

Examples

set.seed(5555)
y <- rpois(30, 9)
cBar_LCL(y)

kenithgrey/ggQC documentation built on May 20, 2019, 9:04 a.m.