ss.cc.constants: Functions to find out constants of the relative range distribution.
Description
These functions compute the constants d2, d3 and c4 to get estimators of the
standard deviation to set control limits.
Usage
ss.cc.getd2(n = NA)
ss.cc.getd3(n = NA)
ss.cc.getc4(n = NA)
Value
A numeric value for the constant.
Arguments
n
Sample size
Author
EL Cano
References
Cano, Emilio L., Moguerza, Javier M. and Redchuk, Andres. 2012.
Six Sigma with R. Statistical Engineering for Process
Improvement, Use R!, vol. 36. Springer, New York.
https://link.springer.com/book/10.1007/978-1-4614-3652-2.