Template:Infobox control chart: Difference between revisions
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en>Zyxw m (replace {{PAGENAME}} with {{PAGENAMEBASE}} to remove any disambiguation if article name is used as infobox title, using AWB) |
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Latest revision as of 01:07, 18 January 2023
Process observations | |
---|---|
Rational subgroup size | {{{subgroupsize}}} |
Measurement type | {{{measurementtype}}} |
Quality characteristic type | {{{qualitycharacteristictype}}} |
Underlying distribution | {{{distribution}}} |
Performance | |
Process variation chart | |
Not applicable | |
Process mean chart |
File:Test Template Info-Icon - Version (2).svg Template documentation[view] [edit] [history] [purge]
Infobox for control charts.
Usage
Copy-paste this empty template. Explanations of the parameters is given below
{{Infobox control chart | name = | proposer = <!-----Process observations-----> | subgroupsize = | measurementtype = | qualitycharacteristictype = | distribution = <!---------Performance----------> | sizeofshift = | arl = <!---Process variation chart---> | varchart = | varcenter = | varupperlimit = | varlowerlimit = | varstatistic = <!------Process mean chart------> | meanchart = | meancenter = | meanlimits = | meanupperlimit = | meanlowerlimit = | meanstatistic = }}
Parameter descriptions
Parameter | Required? | Default value | Conditional upon | Description |
---|---|---|---|---|
name | No | {{PAGENAME}} |
None | The name of the chart |
proposer | No | None | None | The person who originally proposed the chart |
subgroupsize | Yes | None | None | The size of the rational subgroup being monitored |
measurementtype | Yes | None | None | What is being measured (quality characteristic directly, proportion, count, etc.) |
qualitycharacteristictype | Yes | None | None | Attributes or variables data |
distribution | Yes | None | None | Probability distribution of the quality characteristic |
sizeofshift | No | None | None | Minimum size of the shift in the quality characteristic that the chart can detect |
arl | No | None | None | Average run length |
varchart | No | None | None | Image file depicting control chart for variability |
varcenter | No | None | None | How to compute the variability control chart center line |
varupperlimit | No | None | None | How to compute the variability control chart upper limit |
varlowerlimit | No | None | None | How to compute the variability control chart lower limit |
varstatistic | No | None | None | How to compute the individual points on the variability control chart |
meanchart | No | None | None | Image file depicting control chart for the mean |
meancenter | No | None | None | How to compute the mean control chart center line |
meanlimits | No | None | None | How to compute the mean control chart limits (if limits are symmetric) |
meanupperlimit | No | None | <syntaxhighlight lang="text" inline>!Template:Meanlimits</syntaxhighlight> | How to compute the mean control chart upper limit (if limits are asymmetric) |
meanlowerlimit | No | None | <syntaxhighlight lang="text" inline>!Template:Meanlimits</syntaxhighlight> | How to compute the mean control chart lower limit (if limits are asymmetric) |
meanstatistic | No | None | None | How to compute the individual points on the mean control chart |
Example
np-chart | |
---|---|
Originally proposed by | Walter A. Shewhart |
Process observations | |
Rational subgroup size | n > 1 |
Measurement type | Fraction nonconforming per unit |
Quality characteristic type | Attributes data |
Underlying distribution | Binomial distribution |
Performance | |
Size of shift to detect | ≥ 1.5σ |
Average run length (ARL) | Unknown |
Process variation chart | |
Not applicable | |
Process mean chart | |
File:Np control chart.svg | |
Center line | <math>n \bar p = \frac {\sum_{i=1}^m \sum_{j=1}^n \begin{cases} 1 & \mbox{if }x_{ij}\mbox{ defective} \\ 0 & \mbox{otherwise} \end{cases |
| meanlimits = <math>n \bar p \pm 3\sqrt{n \bar p(1- \bar p)}</math> | meanstatistic = <math>n \bar p_i = \sum_{j=1}^n \begin{cases} 1 & \mbox{if }x_{ij}\mbox{ defective} \\ 0 & \mbox{otherwise} \end{cases}</math> }}
<syntaxhighlight lang="tex" style="white-space: pre-wrap">
np-chart | |
---|---|
Originally proposed by | Walter A. Shewhart |
Process observations | |
Rational subgroup size | n > 1 |
Measurement type | Fraction nonconforming per unit |
Quality characteristic type | Attributes data |
Underlying distribution | Binomial distribution |
Performance | |
Size of shift to detect | ≥ 1.5σ |
Average run length (ARL) | Unknown |
Process variation chart | |
Not applicable | |
Process mean chart | |
File:Np control chart.svg | |
Center line | <math>n \bar p = \frac {\sum_{i=1}^m \sum_{j=1}^n \begin{cases} 1 & \mbox{if }x_{ij}\mbox{ defective} \\ 0 & \mbox{otherwise} \end{cases |
| meanlimits = <math>n \bar p \pm 3\sqrt{n \bar p(1- \bar p)}</math> | meanstatistic = <math>n \bar p_i = \sum_{j=1}^n \begin{cases} 1 & \mbox{if }x_{ij}\mbox{ defective} \\ 0 & \mbox{otherwise} \end{cases}</math> }} </syntaxhighlight>