Implementation of the Randomized SVD policy to act as a wrapper when accessing Randomized SVD from within CFType. More...
Public Member Functions | |
| RandomizedSVDPolicy (const size_t iteratedPower=0, const size_t maxIterations=2) | |
| Use randomized SVD method to perform collaborative filtering. More... | |
template < typename MatType > | |
| void | Apply (const MatType &, const arma::sp_mat &cleanedData, const size_t rank, arma::mat &w, arma::mat &h, const size_t maxIterations, const double, const bool) |
| Apply Collaborative Filtering to the provided data set using the randomized SVD. More... | |
| size_t | IteratedPower () const |
| Get the size of the normalized power iterations. More... | |
| size_t & | IteratedPower () |
| Modify the size of the normalized power iterations. More... | |
| size_t | MaxIterations () const |
| Get the number of iterations. More... | |
| size_t & | MaxIterations () |
| Modify the number of iterations. More... | |
Detailed Description
Implementation of the Randomized SVD policy to act as a wrapper when accessing Randomized SVD from within CFType.
Definition at line 27 of file randomized_svd_method.hpp.
Constructor & Destructor Documentation
◆ RandomizedSVDPolicy()
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inline |
Use randomized SVD method to perform collaborative filtering.
- Parameters
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iteratedPower Size of the normalized power iterations (Default: rank + 2). maxIterations Number of iterations for the power method (Default: 2).
Definition at line 38 of file randomized_svd_method.hpp.
Member Function Documentation
◆ Apply()
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inline |
Apply Collaborative Filtering to the provided data set using the randomized SVD.
- Parameters
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data Data matrix: dense matrix (coordinate lists) or sparse matrix(cleaned). cleanedData item user table in form of sparse matrix. rank Rank parameter for matrix factorization. w First matrix formed after decomposition. h Second matrix formed after decomposition. maxIterations Maximum number of iterations. minResidue Residue required to terminate. mit Whether to terminate only when maxIterations is reached.
Definition at line 61 of file randomized_svd_method.hpp.
References RandomizedSVD::Apply().
◆ IteratedPower() [1/2]
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inline |
Get the size of the normalized power iterations.
Definition at line 84 of file randomized_svd_method.hpp.
◆ IteratedPower() [2/2]
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inline |
Modify the size of the normalized power iterations.
Definition at line 86 of file randomized_svd_method.hpp.
◆ MaxIterations() [1/2]
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inline |
Get the number of iterations.
Definition at line 89 of file randomized_svd_method.hpp.
◆ MaxIterations() [2/2]
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inline |
Modify the number of iterations.
Definition at line 91 of file randomized_svd_method.hpp.
The documentation for this class was generated from the following file:
- src/mlpack/methods/cf/decomposition_policies/randomized_svd_method.hpp