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How to calculate variance or diversity index in this chart

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0

$begingroup$

The bar shows an information regarding a team, in which 5 people know java, 10 know javascript etc How can I calculate diversity in this team, or perhaps the variance if in this case variance is same as diversity index?

statistics discrete-mathematics variance

share|cite|improve this question

edited Mar 12 at 8:55

Henry

101k481168

asked Mar 12 at 8:52

user95814user95814

4

New contributor

user95814 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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$endgroup$

• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Variance is not a thing here as you have labels of languages rather than numbers. Does each member of the team only know one language?
  $endgroup$
  – Henry
  Mar 12 at 8:57
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  No, a member may know more than one language
  $endgroup$
  – user95814
  Mar 12 at 8:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Then it might be useful to know how many are in the team in total
  $endgroup$
  – Henry
  Mar 12 at 13:24
  

  
  
  
  

add a comment | 

0

$begingroup$

The bar shows an information regarding a team, in which 5 people know java, 10 know javascript etc How can I calculate diversity in this team, or perhaps the variance if in this case variance is same as diversity index?

statistics discrete-mathematics variance

share|cite|improve this question

edited Mar 12 at 8:55

Henry

101k481168

asked Mar 12 at 8:52

user95814user95814

4

New contributor

user95814 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Variance is not a thing here as you have labels of languages rather than numbers. Does each member of the team only know one language?
  $endgroup$
  – Henry
  Mar 12 at 8:57
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  No, a member may know more than one language
  $endgroup$
  – user95814
  Mar 12 at 8:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  Then it might be useful to know how many are in the team in total
  $endgroup$
  – Henry
  Mar 12 at 13:24
  

  
  
  
  

add a comment | 

$begingroup$

The bar shows an information regarding a team, in which 5 people know java, 10 know javascript etc How can I calculate diversity in this team, or perhaps the variance if in this case variance is same as diversity index?

statistics discrete-mathematics variance

share|cite|improve this question

edited Mar 12 at 8:55

Henry

101k481168

asked Mar 12 at 8:52

user95814user95814

4

New contributor

user95814 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

share|cite|improve this question

edited Mar 12 at 8:55

Henry

101k481168

asked Mar 12 at 8:52

user95814user95814

4

New contributor

user95814 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|cite|improve this question

edited Mar 12 at 8:55

Henry

101k481168

asked Mar 12 at 8:52

user95814user95814

4

New contributor

user95814 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

edited Mar 12 at 8:55

Henry

101k481168

edited Mar 12 at 8:55

Henry

101k481168

asked Mar 12 at 8:52

user95814user95814

4

New contributor

user95814 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked Mar 12 at 8:52

user95814user95814

4