grafXR {IQCC} | R Documentation |
This function builds the X-bar and R control charts in the same window.
grafXR(x, sizes)
x |
The data to be plotted. |
sizes |
A value or a vector of values specifying the sample sizes associated with each group. |
Return the two control charts.
Daniela R. Recchia, Emanuel P. Barbosa.
data(pistonrings) attach(pistonrings) grafXR(pistonrings[1:25,])