| c_gr {XRSCC} | R Documentation |
The c chart control for attributes
Description
Calculates the c control chart for attributes, using a sample C of number of nonconformities. The plotted values in graph are the nonconformities number on each sample at a regular time interval when there is not a standard given.
Usage
c_gr(C)
Arguments
C |
A data frame or a vector containing the number of nonconformities per sample. Note that the variable name must be the uppercase letter, like D. |
Value
in.control |
The under control row list for the c chart |
out.control |
The out of control row list for the c chart |
Iteraciones |
The number of iterations, in this function always will be the first and the last one |
data.0 |
The original data frame |
data.1 |
Subsetting the data frame with under control rows |
bin |
The binary values for out of control equal to one, and results under control equal to zero |
Limites de Control Grafica \emph{c} |
The c chart control limits vector |
Conclusion del proceso |
The same results in a phrase as the bin values |
Author(s)
Erick Marroquin
References
Montgomery, D.C. (2005) Introduction to Statistical Quality Control, 5th ed. New York: John Wiley & Sons, ISBN 0-471-65631-3
See Also
p_gr, np_gr, u_gr, P_it, NP_it, C_it, U_it
Examples
data(clothes)
c_gr(clothes)