As is the case, there are several different ways in which data form the data 
base is represented on a screen or inputted via the key board.
Next to text, codes, images there are numerical values.
Many times the present data types are sufficient.
But there are more complex numerical results such as:
- value and normal ranges for a specific population
- value as the result of a statistical method. The Z-vlaue is just one of them.
For each kind of statistical result we need a specific archetype pattern.
These could be additional (extended) data types, but equally could be 
standardised archetype patterns.
The latter I prefer because data types I associate with the interface with 
program languages. And there statistical result do not play a role.


Gerard   Freriks
+31 620347088
  gf...@luna.nl

Kattensingel  20
2801 CA Gouda
the Netherlands

> On 21 Mar 2017, at 08:21, Bakke, Silje Ljosland 
> <silje.ljosland.ba...@nasjonalikt.no> wrote:
> 
> Hi everyone,
>  
> We’ve got an archetype proposal for Z scores 
> (https://en.wikipedia.org/wiki/Standard_score 
> <https://en.wikipedia.org/wiki/Standard_score>).
>  
> The way we understand these, they’re statistical calculations for specific 
> values such as height or weight, based on a population average, similar to 
> percentiles. We’re not sure how to model this in archetypes, and were 
> wondering if anyone else have solved this already? We’ve got an archetype 
> that’s related to child growth charts that will solve the problem for now, 
> but we’re looking for a more generic solution.
>  
> One of our hypotheses is that Z scores and percentiles should be handled 
> using some sort of RM “Statistical value” element. Could someone from the 
> specs program comment on this?
>  
> Kind regards,
> Silje Ljosland Bakke
>  
> Information Architect, RN
> Coordinator, National Editorial Board for Archetypes
> National ICT Norway
> 
> Tel. +47 40203298
> Web: http://arketyper.no <http://arketyper.no/> / Twitter: @arketyper_no 
> <https://twitter.com/arketyper_no>
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