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Last change
on this file since 389 was
389,
checked in by Peter, 18 years ago
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moved kernel to regression namespace and tried to fix some dox issues
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Property svn:eol-style set to
native
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Property svn:keywords set to
Id
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File size:
458 bytes
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| 1 | // $Id: KernelTriCube.cc 389 2005-08-15 11:37:07Z peter $ |
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| 2 | |
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| 3 | #include <c++_tools/statistics/KernelTriCube.h> |
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| 4 | #include <c++_tools/statistics/Kernel.h> |
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| 5 | |
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| 6 | #include <cmath> |
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| 7 | |
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| 8 | namespace theplu { |
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| 9 | namespace statistics { |
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| 10 | namespace regression { |
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| 11 | |
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| 12 | KernelTriCube::KernelTriCube(void) |
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| 13 | : Kernel() |
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| 14 | { |
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| 15 | } |
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| 16 | |
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| 17 | double KernelTriCube::weight(const double x) const |
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| 18 | { |
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| 19 | if (x>1 || x<-1) |
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| 20 | return 0.0; |
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| 21 | else |
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| 22 | return pow(1-pow(fabs(x),3),3); |
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| 23 | } |
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| 24 | |
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| 25 | } // of namespace regression |
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| 26 | } // of namespace statistics |
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| 27 | } // of namespace theplu |
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| 28 | |
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