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If a change is a sum of changes in components, what is a component's proportion of the change?


The algebra of clopen sets vs. the algebra of connected componentswhat is the meaning of the “closure of a sequence ”Estimating the number of connected components of a curve contained in a given setIs the sum of two complete metrics complete?About the question “what are the connected components of $mathbbR_l$?”What changes if the basis of topology on the metric space is defined as closed balls rather than open balls?What is the name of (1 - sum of component-wise min)? Is it a metric?The limit of a sequence of $ell^p$ is the limit of each components?What is the metric used here?Changing the distance considered on a metric space changes open sets inside?













0












$begingroup$


Let's say you have a balance which changes by $Delta$, where the change is net of an increase less a decrease i.e. $Delta := uparrow - downarrow$. Both the increase and decrease are caused by 2 components: A and B



$ uparrow:= uparrow^A + uparrow^B$ and similarly,



$ downarrow:= downarrow^A + downarrow^B$



Clearly



How do I create a metric $hatDelta^A$ (which is supposed to represent the proportion of the total change that is attributable to A) such that:



  1. $hatDelta^A + hatDelta^B = 1$ (propotions add to 1)



  2. For $k in A,B$, we have:



    (a) $0 leq hatDelta^k leq 1$ (proportions are not greater than 1 or negative)



    (b) $If Delta^k = Delta implies hatDelta^k = 1$ (If the change attributable to $k$ is the same as the total change, then $k$ is responsible for the total change.











share|cite|improve this question









$endgroup$
















    0












    $begingroup$


    Let's say you have a balance which changes by $Delta$, where the change is net of an increase less a decrease i.e. $Delta := uparrow - downarrow$. Both the increase and decrease are caused by 2 components: A and B



    $ uparrow:= uparrow^A + uparrow^B$ and similarly,



    $ downarrow:= downarrow^A + downarrow^B$



    Clearly



    How do I create a metric $hatDelta^A$ (which is supposed to represent the proportion of the total change that is attributable to A) such that:



    1. $hatDelta^A + hatDelta^B = 1$ (propotions add to 1)



    2. For $k in A,B$, we have:



      (a) $0 leq hatDelta^k leq 1$ (proportions are not greater than 1 or negative)



      (b) $If Delta^k = Delta implies hatDelta^k = 1$ (If the change attributable to $k$ is the same as the total change, then $k$ is responsible for the total change.











    share|cite|improve this question









    $endgroup$














      0












      0








      0





      $begingroup$


      Let's say you have a balance which changes by $Delta$, where the change is net of an increase less a decrease i.e. $Delta := uparrow - downarrow$. Both the increase and decrease are caused by 2 components: A and B



      $ uparrow:= uparrow^A + uparrow^B$ and similarly,



      $ downarrow:= downarrow^A + downarrow^B$



      Clearly



      How do I create a metric $hatDelta^A$ (which is supposed to represent the proportion of the total change that is attributable to A) such that:



      1. $hatDelta^A + hatDelta^B = 1$ (propotions add to 1)



      2. For $k in A,B$, we have:



        (a) $0 leq hatDelta^k leq 1$ (proportions are not greater than 1 or negative)



        (b) $If Delta^k = Delta implies hatDelta^k = 1$ (If the change attributable to $k$ is the same as the total change, then $k$ is responsible for the total change.











      share|cite|improve this question









      $endgroup$




      Let's say you have a balance which changes by $Delta$, where the change is net of an increase less a decrease i.e. $Delta := uparrow - downarrow$. Both the increase and decrease are caused by 2 components: A and B



      $ uparrow:= uparrow^A + uparrow^B$ and similarly,



      $ downarrow:= downarrow^A + downarrow^B$



      Clearly



      How do I create a metric $hatDelta^A$ (which is supposed to represent the proportion of the total change that is attributable to A) such that:



      1. $hatDelta^A + hatDelta^B = 1$ (propotions add to 1)



      2. For $k in A,B$, we have:



        (a) $0 leq hatDelta^k leq 1$ (proportions are not greater than 1 or negative)



        (b) $If Delta^k = Delta implies hatDelta^k = 1$ (If the change attributable to $k$ is the same as the total change, then $k$ is responsible for the total change.








      metric-spaces






      share|cite|improve this question













      share|cite|improve this question











      share|cite|improve this question




      share|cite|improve this question










      asked 17 hours ago









      Vykta WakandigaraVykta Wakandigara

      11




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