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Typen af data fra Regionenlink |
Recording of |
Specification of observations per time unit. |
Chart name |
variables needed |
Measurement data |
data measurements at each point (subgroup) |
varying subgroup, more than one observation in each subgroup |
Xbar-S |
measurement time |
one observation per subgroup |
measurement [time]* |
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Count (atrribute) data |
Non conformities (Errors) are counted |
Varying denominator |
Uchart |
count volume [time]* |
Constant denominator assumed |
Cchart |
count [time]* |
||
Proportions |
counts and varying total |
Pchart |
count total [time]* |
|
Rare Occurrences |
Each incident recorded |
One incident |
Gchart |
(time at incident)+ |
Categorical listing of reasons |
Survey of reasons recorded |
All observations |
Pareto Chart |
categories [time]* |