Comments (4)
Can you upload the datasets you are using?
Depending on your platform and compiler, I wouldn’t exclude a slightly different floating point precision/behaviour as an explanation.
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Here is the link A bias term f=1 is added as the last feature.
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Assuming you are using the "L1-regularized logistic regression" solver ("-s 6
") I’ve conducted the following experiment with your dataset:
$ ./gradlew assemble
$ java -cp build/classes/main de.bwaldvogel.liblinear.Train -s 6 -p 0.3 train.libsvm model
iter 1 #CD cycles 1
iter 2 #CD cycles 1
iter 3 #CD cycles 1
iter 4 #CD cycles 1
iter 5 #CD cycles 3
iter 6 #CD cycles 1
=========================
optimization finished, #iter = 6
Objective value = 14871.7
#nonzeros/#features = 6455/181257
Whenever I repeat it, I get the exact same output and model file.
What are you doing differently?
Note: When you are training programmatically, you need to call Linear.resetRandom()
if you want to get completely deterministic results.
from liblinear-java.
I had also suspected that some kind of resetting mechanism was missing. I didn't know about the Linear.resetRandom()
method which resolved the problem. Thanks.
from liblinear-java.
Related Issues (20)
- Suppress output to console when using API HOT 2
- Port Liblinear weights
- how to get the separating hyperplane parameters or separating hyperplane equation? HOT 1
- Documentation For Java API HOT 2
- Overload Train.readProblem to take an InputStream instead of File HOT 3
- No option for no bias feature for Train.readProblem() HOT 1
- InvalidInputDataException: indices must be sorted in ascending order (line 479) HOT 1
- Bias term is added by default HOT 2
- Bias parameter not used in Linear.predictValues() HOT 4
- Implement init_sol setter in Parameter
- How to obtain the support vectors
- Thread safety problem in predict: flag_predict_probability shouldn't be static HOT 3
- NullPointerException when using sparse data to train Model HOT 1
- Linear's global RNG makes it difficult to reproduce models or track concurrent executions HOT 6
- Is a bias term added to the features automatically? HOT 2
- Does liblinear-java support incremental training?
- Linear.loadModel(Reader) should not close the reader
- 你好我在用这个东西 HOT 4
- Setting HOT 1
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