[R] qcc help

[Cleber Nogueira Borges]

Renata Mara Schneckenberg Wowk wrote:
> Hi Gents,
>
>  
>
> I need to get the control limits from qcc function.
>
>  
>
> As follows:
>
>  
>
> qcc(MDI, type = "xbar.one")
>
>  
>
> Call:
>
> qcc(data = MDI, type = "xbar.one")
>
>  
>
> xbar.one chart for MDI 
>
>  
>
> Summary of group statistics:
>
>    Min. 1st Qu.  Median    Mean 3rd Qu.    Max. 
>
>  0.3266  0.4249  0.4371  0.4333  0.4451  0.4858 
>
>  
>
> Group sample size:  1
>
> Number of groups:  383
>
> Center of group statistics:  0.4332557
>
> Standard deviation:  0.01520659 
>
>  
>
> Control limits:
>
>       LCL       UCL
>
>  0.387636 0.4788755
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>  
>
> I want to get LCL and UCL. It is possible ?
>
>  
>
> Thanks in advance,
>
>  
>
> Renata
>
>   

Hello,

try this:

results <- qcc(data = MDI, type = "xbar.one")

names( results )

results$limits

results$limits[1]
results$limits[2]


HTH

cleber