diff options
| author | Patrick Simianer <p@simianer.de> | 2011-09-08 00:06:52 +0200 |
|---|---|---|
| committer | Patrick Simianer <p@simianer.de> | 2011-09-23 19:13:58 +0200 |
| commit | 0269777fc54bc554c12107bdd5498f743df2a1ce (patch) | |
| tree | 05032f88088c2154b4c0ce815bb176ac49dc9b7e /dtrain/test/log_reg/bin_class.h | |
| parent | bcf45fc73bd855a3003dee7a8a0b7551eeb0523b (diff) | |
a lot of stuff, fast_sparse_vector, perceptron, removed sofia, sample [...]
Diffstat (limited to 'dtrain/test/log_reg/bin_class.h')
| -rw-r--r-- | dtrain/test/log_reg/bin_class.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/dtrain/test/log_reg/bin_class.h b/dtrain/test/log_reg/bin_class.h new file mode 100644 index 00000000..3466109a --- /dev/null +++ b/dtrain/test/log_reg/bin_class.h @@ -0,0 +1,22 @@ +#ifndef _BIN_CLASS_H_ +#define _BIN_CLASS_H_ + +#include <vector> +#include "sparse_vector.h" + +struct TrainingInstance { + // TODO add other info? loss for MIRA-type updates? + SparseVector<double> x_feature_map; + bool y; +}; + +struct Objective { + virtual ~Objective(); + + // returns f(x) and f'(x) + virtual double ObjectiveAndGradient(const SparseVector<double>& x, + const std::vector<TrainingInstance>& training_instances, + SparseVector<double>* g) const = 0; +}; + +#endif |