Comments (5)
Hi @vibhatha, present version of PCA algorithm doesn't contain functionality allows just to set number of principal components and apply transformation to the data. Instead PCA returns eigenvalues and eigenvectors of covariance matrix obtained from the data (have a look at the example). You can use them in order to reduce dimensionality of your data, i.e. apply PCA transformation on your side by picking required number of eigenvectors. We are planning to support PCA transformation in one of the future releases.
I want to learn how to add the number of iterations, ... step size
Internally DAAL relies on direct algorithms to solve a system of linear equations, an eigenvalues problem or finding inverse/pseudoinverse of a matrix (by calling LAPACK), so we can't provide parameters like number of iterations for PCA or linear regression, because we just don't have them in implementation and can't adjust in LAPACK.
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Yes I understand, will it be available in future versions ?
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We may consider adding iterative linear regression algorithm based on stochastic gradient descent (SGD). Are you interested in such algorithm?
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Yes of course, I think it is easier when we have the ability to change the input parameters in all machine learning algorithms. When it comes to evaluating practical scenarios, tuning those values can bring more accurate results. That is why I am very much interested in such applications. And also the customized optimization methods, kernels like (RBF, Linear) or for instance stochastic or batch gradient descent selection as an input parameter would do a wide range of experiments. I think adding such algorithms with user customization would bring a broad crowd to use the tool. And thanks a lot for helping me out.
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@vibhatha, currently DAAL allows to use SGD + LR (or another optimization method), but there is no single algorithm which encapsulates all the logic, please find the example here.
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Related Issues (20)
- NaiveBayes hang in the middle of localAlgorithm.compute HOT 2
- Implement HistGradientBoostingRegressor HOT 1
- Improvements in cmake configuration HOT 2
- Makefile build against official MKL and TBB possible? HOT 3
- Issues with the makefile - what about a cmake based build system? HOT 2
- Can not deploy an application that is dynamically linked against oneDAL HOT 6
- How to make a debug build (missing daal_vmlipp_cored.lib)? HOT 7
- Feature request: Add support for ClangCl on MSVC HOT 4
- Looking forward to kd-tree implementation.. HOT 1
- Support for accelerating NGBoost HOT 1
- Compile Failure: "No kernel name provided without -fsycl-unnamed-lambda enabled!" HOT 2
- Support for RISC-V architecture HOT 1
- Error in running daal c++ examples HOT 4
- Datasets used for producing speedup benchmarks in scikit-learn intelex HOT 1
- Remote branch develop not found in upstream origin HOT 2
- `xsyrk` vs `xxsyrk` vs `dsyrk` (in netlib LAPACK) HOT 4
- PCA tests fail periodically.
- Not able to build daal/cpp examples HOT 3
- How to validate results when adding a new backend (i.e., OpenBLAS, Lapack, etc) HOT 1
- Differences betwen SPBLAS - xcsrmultd & xcsrmm ? HOT 1
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