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MathGroup Archive 2013

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NMF in Mathematica 8

  • To: mathgroup at smc.vnet.net
  • Subject: [mg130657] NMF in Mathematica 8
  • From: Alan <alan.isaac at gmail.com>
  • Date: Tue, 30 Apr 2013 04:18:45 -0400 (EDT)
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  • Delivered-to: l-mathgroup@wolfram.com
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I'd appreciate knowing the output in Mathematica 8 of the following 3 lines:

data = {{15000, 0.154}, {25000, 0.283}, {35000, 0.402}, {50000, 
   0.55}, {75000, 0.733}, {100000, 0.843}}
nlm01 = NonlinearModelFit[data, 
   CDF[ParetoDistribution[khat, ahat], $x], {khat, ahat}, $x];
nlm01["BestFitParameters"]

In Mathematica 5 and 9 it is
{khat -> 12989.3, ahat -> 0.658768}

But I recall getting a different answer in Mathematica 8.

Thanks,
Alan Isaac



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