ranking - PercentRank algorithm in VBA -

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i have found answer question "how assign rank number array when ties exist" in php , (looked lilke) c++. found couple of answers excel's percentrank in language not know.

can me in vba? need calculate percentrank 12 values in access fopr report , cannot use excel. here's example of after:

   per  val %rank     01  80  0.82     02  74  0.45     03  88  1.00     04  60  0.00     05  86  0.91     06  68  0.18     07  64  0.09     08  78  0.64     09  76  0.55     10  72  0.27     11  78  0.64     12  72  0.27

note period 08 , 11 value same. period 10 , 12. read somewhere when there ties function must calculate average of somesort.

would please function written in vba?

thanks bunch.

d. lamarche

ties should produce same percentage rank, example shows. if x number not in array, have extrapolate. if you're assured x in array, can simplify this

public function prank(vaarray variant, x variant) double      dim llower long     dim lhigher long     dim long      = lbound(vaarray, 1) ubound(vaarray, 1)         if vaarray(i, 1) < x             llower = llower + 1         elseif vaarray(i, 1) > x             lhigher = lhigher + 1         end if     next      prank = llower / (llower + lhigher)  end function

if pass x values not in vaarray, produce wrong result. also, assumes you're passing 2 dimensional array (like excel column be), may need adjust that.


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