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+# Transliteration
+## Thai W2P
+
+**Model Details**
+
+- Developer: Wannaphong Phatthiyaphaibun
+- This report author: Wannaphong Phatthiyaphaibun
+- Model date: 2020-12-29
+- Model version: 0.1
+- Used in PyThaiNLP version: 2.3+
+- Filename: `~/pythainlp-data/w2p_0.1.npy`
+- GitHub: [https://github.com/PyThaiNLP/pythainlp/pull/511](https://github.com/PyThaiNLP/pythainlp/pull/511)
+- License: CC0
+- train notebook: [https://github.com/wannaphong/Thai_W2P/blob/main/train.ipynb](https://github.com/wannaphong/Thai_W2P/blob/main/train.ipynb)
+
+**Intended Use**
+
+- Converter thai word to thai phoneme
+- Not suitable for other language.
+
+**Factors**
+
+- Based on thai word to thai phoneme problems.
+
+**Metrics**
+
+- Evaluation metrics include phoneme error rate (number error / number phonemes)
+
+**Training Data**
+
+Thai W2P (80%)
+
+**Evaluation Data** 
+
+Thai W2P (20%)
+
+**Quantitative Analyses**
+
+```
+epoch: 100
+step: 100, loss: 0.03179970383644104
+step: 200, loss: 0.04126007482409477
+step: 300, loss: 0.01877519115805626
+step: 400, loss: 0.03311225399374962
+per: 0.0432
+per: 0.0419
+```
+
+**Ethical Considerations**
+
+This corpus is based on the website, such as wiktionary, Royal Institute et cetera and more. It may not be the dialect that you use in everyday life.
+
+**Caveats and Recommendations**
+
+- 1 Thai word only
+
+## Thai2Rom
+
+Thai romanization using LSTM encoder-decoder model with attention mechanism
+
+### v0.1
+
+**Model Details**
+
+- Developer: Chakri Lowphansirikul
+- This report author: Wannaphong Phatthiyaphaibun
+- Model date: 2019-08-11
+- Model version: 0.1
+- Used in PyThaiNLP version: 2.1 +
+- Filename: `~/pythainlp-data/thai2rom-pytorch-attn-v0.1.tar`
+- GitHub: [https://github.com/PyThaiNLP/pythainlp/pull/246](https://github.com/PyThaiNLP/pythainlp/pull/246)
+- Train Notebook: [https://github.com/lalital/thai-romanization/blob/master/notebook/thai_romanize_pytorch_seq2seq_attention.ipynb](https://github.com/lalital/thai-romanization/blob/master/notebook/thai_romanize_pytorch_seq2seq_attention.ipynb)
+- LSTM Model
+- Dataset: [https://github.com/lalital/thai-romanization/blob/master/dataset/data.new](https://github.com/lalital/thai-romanization/blob/master/dataset/data.new)
+- License: CC0
+
+**Intended Use**
+- conversion of thai text to the Roman.
+
+**Factors**
+- Based on known problems with thai natural Language processing.
+
+**Metrics**
+- Evaluation metrics include precision, recall and f1-score.
+
+**Training Data**
+Thai2Rom trainset
+
+**Evaluation Data**
+
+Thai2Rom testset
+
+**Quantitative Analyses**
+
+The model was evaluated with 3 metrics including F1-score, Exact match, Exact match at character level on the validation set (20% of the dataset or 129,642 examples).
+
+- F1 (macro-average): 0.987
+- Exact match: 0.883
+- Exact match (Character-level): 0.949
+
+
+**Ethical Considerations**
+
+no ideas
+
+**Caveats and Recommendations**
+
+- Thai text only
+
+## Thai G2P
+
+Thai Grapheme-to-Phoneme (Thai G2P) based on Deep Learning (Seq2Seq model)
+
+### v0.1
+
+**Model Details**
+
+- Developer: Wannaphong Phatthiyaphaibun
+- This report author: Wannaphong Phatthiyaphaibun
+- Model date: 2020-08-20
+- Model version: 0.1
+- Used in PyThaiNLP version: 2.2+
+- Filename: `~/pythainlp-data/thaig2p-0.1.tar`
+- Pull request GitHub: [https://github.com/PyThaiNLP/pythainlp/pull/377](https://github.com/PyThaiNLP/pythainlp/pull/377)
+- GitHub: [https://github.com/wannaphong/thai-g2p](https://github.com/wannaphong/thai-g2p)
+- Train notebook: [https://github.com/wannaphong/thai-g2p/blob/master/train.ipynb](https://github.com/wannaphong/thai-g2p/blob/master/train.ipynb)
+- Dataset: [wiktionary-11-2-2020.tsv](https://github.com/wannaphong/thai-g2p/blob/master/wiktionary-11-2-2020.tsv)
+- Seq2Seq model
+- License: CC0
+
+**Intended Use**
+
+Grapheme-to-Phoneme conversion tool.
+
+**Factors**
+
+- Based on thai grapheme-to-phoneme conversion problems.
+
+**Metrics**
+
+f1-score.
+
+**Training Data**
+
+wiktionary trainset
+
+**Evaluation Data**
+
+wiktionary testset
+
+**Quantitative Analyses**
+
+```
+F1 (macro-average) =  0.9415941561267093
+EM =  0.71
+EM (Character-level) =  0.8660247630539959
+save best model em score=0.71 at epoch=1148
+Save model at epoch  1148
+Epoch: 1149 | Time: 2m 55s
+	Train Loss: 0.352 | Train PPL:   1.422
+	 Val. Loss: 0.512 |  Val. PPL:   1.669
+epoch=1149, teacher_forcing_ratio=0.4
+```
+
+**Ethical Considerations**
+
+This model is based on the Thai wiktionary Dump (include bias from Thai wiktionary).
+
+**Caveats and Recommendations**
+
+- 1 Thai word only