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| author | Chris Dyer <cdyer@cs.cmu.edu> | 2011-05-03 17:30:45 -0400 |
|---|---|---|
| committer | Chris Dyer <cdyer@cs.cmu.edu> | 2011-05-03 17:30:45 -0400 |
| commit | bd0717527a82019e236625c8ae0f726ba4021e50 (patch) | |
| tree | 7d18a0cd66cc8b4bd864f5c79e4d10a8dc2a8f66 /training | |
| parent | f67862c799f911b6671a83b50b22b6a2323855c8 (diff) | |
| parent | 3dec805a31b4542eee07adc6d2f42f77f7980045 (diff) | |
Merge branch 'master' of github.com:redpony/cdec
Diffstat (limited to 'training')
| -rw-r--r-- | training/model1.cc | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/training/model1.cc b/training/model1.cc index 4023735c..b9590ece 100644 --- a/training/model1.cc +++ b/training/model1.cc @@ -129,10 +129,15 @@ int main(int argc, char** argv) { likelihood += log(sum) + src_logprob; } } + + // log(e) = 1.0 + double base2_likelihood = likelihood / log(2); + if (flag) { cerr << endl; } - cerr << " log likelihood: " << likelihood << endl; - cerr << " cross entropy: " << (-likelihood / denom) << endl; - cerr << " perplexity: " << pow(2.0, -likelihood / denom) << endl; + cerr << " log_e likelihood: " << likelihood << endl; + cerr << " log_2 likelihood: " << base2_likelihood << endl; + cerr << " cross entropy: " << (-base2_likelihood / denom) << endl; + cerr << " perplexity: " << pow(2.0, -base2_likelihood / denom) << endl; if (!final_iteration) { if (variational_bayes) tt.NormalizeVB(alpha); |