Product Search
Contact Us


Dear customers:

If you have any advice, please

feel free to contact us.  We will

take action as soon as possible.


 tyevolution@yahoo.com


Quality Control: R Chart

Views:148times

1. Chart description: ranges of a continuous process variable.


2. Click Quality Control | R...


Variables  observations for a subgroup are in one row of columns.

Estimate (UWAVE-R / MVLUE-R)

UWAVE-R  UnWeighted AVErage of subgroup estimates based on subgroup Ranges.

MVLUE-R  Minimum Variance Linear Unbiased Estimator computed as a weighted average of subgroups.



3. After the chart is generated, click Commend (refer to GUI) to view the chart.