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final solution

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Łukasz Jędyk 2022-05-28 15:36:41 +02:00
parent eacc27a0d2
commit 96313d4915
5 changed files with 18854 additions and 140 deletions
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.gitignore vendored
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.ipynb_checkpoints/
processed_train.txt
model/

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dev-0/out.tsv Normal file
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run.ipynb
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{
"cell_type": "code",
"execution_count": 1,
"id": "56fb2fdb",
"id": "03de852a",
"metadata": {},
"outputs": [],
"source": [
"import pandas as pd\n",
"import numpy as np\n",
"import regex as re\n",
"import torch\n",
"import csv\n",
"import torch\n",
"from torch import nn\n",
"from collections import Counter"
"from gensim.models import Word2Vec\n",
"from nltk.tokenize import word_tokenize"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "74f269c9",
"id": "73497953",
"metadata": {},
"outputs": [],
"source": [
@ -29,81 +31,7 @@
{
"cell_type": "code",
"execution_count": 3,
"id": "c939f600",
"metadata": {},
"outputs": [],
"source": [
"class Dataset(torch.utils.data.Dataset):\n",
" def __init__(self, sequence_length, file_path):\n",
" self.file_path = file_path\n",
" self.sequence_length = sequence_length\n",
" self.words = self.load()\n",
" self.uniq_words = self.get_uniq_words()\n",
"\n",
" self.index_to_word = {index: word for index, word in enumerate(self.uniq_words)}\n",
" self.word_to_index = {word: index for index, word in enumerate(self.uniq_words)}\n",
" \n",
" self.index_to_word[-1] = '<UNK>'\n",
" self.word_to_index['<UNK>'] = -1\n",
"\n",
" self.words_indexes = [self.word_to_index[w] if w in self.uniq_words else self.word_to_index['<UNK>'] for w in self.words]\n",
"\n",
" def load(self):\n",
" with open(self.file_path, 'r') as f_in:\n",
" text = [x.rstrip() for x in f_in.readlines() if x.strip()]\n",
" text = ' '.join(text).lower()\n",
" text = re.sub('[^a-ząćęłńóśźż ]', '', text) \n",
" text = text.split(' ')\n",
" return text\n",
" \n",
" def get_uniq_words(self):\n",
" word_counts = Counter(self.words).most_common(250000)\n",
" word_counts = dict(word_counts)\n",
" return sorted(word_counts, key=word_counts.get, reverse=True)\n",
"\n",
" def __len__(self):\n",
" return len(self.words_indexes) - self.sequence_length\n",
"\n",
" def __getitem__(self, index):\n",
" return (\n",
" torch.tensor(self.words_indexes[index:index+self.sequence_length]),\n",
" torch.tensor(self.words_indexes[index+1:index+self.sequence_length+1]),\n",
" )"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "9f178921",
"metadata": {},
"outputs": [],
"source": [
"class Model(nn.Module):\n",
" def __init__(self, vocab_size):\n",
" super(Model, self).__init__()\n",
" self.lstm_size = 128\n",
" self.embedding_dim = 256\n",
" self.num_layers = 3\n",
"\n",
" self.embedding = nn.Embedding(num_embeddings=vocab_size, embedding_dim=self.embedding_dim)\n",
" self.lstm = nn.LSTM(input_size=self.lstm_size, hidden_size=self.lstm_size, num_layers=self.num_layers, dropout=0.2)\n",
" self.fc = nn.Linear(self.lstm_size, vocab_size)\n",
"\n",
" def forward(self, x, prev_state = None):\n",
" embed = self.embedding(x)\n",
" output, state = self.lstm(embed, prev_state)\n",
" logits = self.fc(output)\n",
" return logits, state\n",
"\n",
" def init_state(self, sequence_length):\n",
" zeros = torch.zeros(self.num_layers, sequence_length, self.lstm_size).to(device)\n",
" return (zeros, zeros)"
]
},
{
"cell_type": "code",
"execution_count": 5,
"id": "39a27465",
"id": "4227ef55",
"metadata": {},
"outputs": [],
"source": [
@ -117,8 +45,8 @@
},
{
"cell_type": "code",
"execution_count": 6,
"id": "2f25401d",
"execution_count": 4,
"id": "758cf94a",
"metadata": {},
"outputs": [],
"source": [
@ -126,142 +54,735 @@
"train_labels = pd.read_csv('train/expected.tsv', sep='\\t', on_bad_lines='skip', header=None, quoting=csv.QUOTE_NONE)\n",
"\n",
"train_data = train_data[[6, 7]]\n",
"train_data = pd.concat([train_data, train_labels], axis=1)\n",
"train_data = pd.concat([train_data, train_labels], axis=1)"
]
},
{
"cell_type": "code",
"execution_count": 5,
"id": "384922c7",
"metadata": {},
"outputs": [],
"source": [
"class TrainCorpus:\n",
" def __init__(self, data):\n",
" self.data = data\n",
" \n",
"train_data['text'] = train_data[6] + train_data[0] + train_data[7]\n",
"train_data = train_data[['text']]\n",
"\n",
"with open('processed_train.txt', 'w', encoding='utf-8') as file:\n",
" for _, row in train_data.iterrows():\n",
" text = clean_text(str(row['text']))\n",
" file.write(text + '\\n')"
" def __iter__(self):\n",
" for _, row in self.data.iterrows():\n",
" text = str(row[6]) + str(row[0]) + str(row[7])\n",
" text = clean_text(text)\n",
" yield word_tokenize(text)"
]
},
{
"cell_type": "code",
"execution_count": 6,
"id": "3da5f19b",
"metadata": {},
"outputs": [],
"source": [
"train_sentences = TrainCorpus(train_data.head(100000))\n",
"w2v_model = Word2Vec(vector_size=100, min_count=10)"
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "bb55ce42",
"id": "183d43be",
"metadata": {},
"outputs": [
{
"ename": "KeyboardInterrupt",
"evalue": "",
"output_type": "error",
"traceback": [
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mKeyboardInterrupt\u001b[0m Traceback (most recent call last)",
"Input \u001b[1;32mIn [7]\u001b[0m, in \u001b[0;36m<cell line: 1>\u001b[1;34m()\u001b[0m\n\u001b[1;32m----> 1\u001b[0m data \u001b[38;5;241m=\u001b[39m \u001b[43mDataset\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m5\u001b[39;49m\u001b[43m,\u001b[49m\u001b[43m \u001b[49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[38;5;124;43mprocessed_train.txt\u001b[39;49m\u001b[38;5;124;43m'\u001b[39;49m\u001b[43m)\u001b[49m\n",
"Input \u001b[1;32mIn [3]\u001b[0m, in \u001b[0;36mDataset.__init__\u001b[1;34m(self, sequence_length, file_path)\u001b[0m\n\u001b[0;32m 11\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mindex_to_word[\u001b[38;5;241m-\u001b[39m\u001b[38;5;241m1\u001b[39m] \u001b[38;5;241m=\u001b[39m \u001b[38;5;124m'\u001b[39m\u001b[38;5;124m<UNK>\u001b[39m\u001b[38;5;124m'\u001b[39m\n\u001b[0;32m 12\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mword_to_index[\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m<UNK>\u001b[39m\u001b[38;5;124m'\u001b[39m] \u001b[38;5;241m=\u001b[39m \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m1\u001b[39m\n\u001b[1;32m---> 14\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwords_indexes \u001b[38;5;241m=\u001b[39m [\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mword_to_index[w] \u001b[38;5;28;01mif\u001b[39;00m w \u001b[38;5;129;01min\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39muniq_words \u001b[38;5;28;01melse\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mword_to_index[\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m<UNK>\u001b[39m\u001b[38;5;124m'\u001b[39m] \u001b[38;5;28;01mfor\u001b[39;00m w \u001b[38;5;129;01min\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwords]\n",
"Input \u001b[1;32mIn [3]\u001b[0m, in \u001b[0;36m<listcomp>\u001b[1;34m(.0)\u001b[0m\n\u001b[0;32m 11\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mindex_to_word[\u001b[38;5;241m-\u001b[39m\u001b[38;5;241m1\u001b[39m] \u001b[38;5;241m=\u001b[39m \u001b[38;5;124m'\u001b[39m\u001b[38;5;124m<UNK>\u001b[39m\u001b[38;5;124m'\u001b[39m\n\u001b[0;32m 12\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mword_to_index[\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m<UNK>\u001b[39m\u001b[38;5;124m'\u001b[39m] \u001b[38;5;241m=\u001b[39m \u001b[38;5;241m-\u001b[39m\u001b[38;5;241m1\u001b[39m\n\u001b[1;32m---> 14\u001b[0m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwords_indexes \u001b[38;5;241m=\u001b[39m [\u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mword_to_index[w] \u001b[38;5;28;01mif\u001b[39;00m w \u001b[38;5;129;01min\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39muniq_words \u001b[38;5;28;01melse\u001b[39;00m \u001b[38;5;28;43mself\u001b[39;49m\u001b[38;5;241;43m.\u001b[39;49m\u001b[43mword_to_index\u001b[49m[\u001b[38;5;124m'\u001b[39m\u001b[38;5;124m<UNK>\u001b[39m\u001b[38;5;124m'\u001b[39m] \u001b[38;5;28;01mfor\u001b[39;00m w \u001b[38;5;129;01min\u001b[39;00m \u001b[38;5;28mself\u001b[39m\u001b[38;5;241m.\u001b[39mwords]\n",
"\u001b[1;31mKeyboardInterrupt\u001b[0m: "
"name": "stdout",
"output_type": "stream",
"text": [
"97122\n"
]
}
],
"source": [
"data = Dataset(5, 'processed_train.txt')"
"w2v_model.build_vocab(corpus_iterable=train_sentences)\n",
"\n",
"key_to_index = w2v_model.wv.key_to_index\n",
"index_to_key = w2v_model.wv.index_to_key\n",
"\n",
"index_to_key.append('<unk>')\n",
"key_to_index['<unk>'] = len(index_to_key) - 1\n",
"\n",
"vocab_size = len(index_to_key)\n",
"print(vocab_size)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "7a6872ca",
"execution_count": 8,
"id": "e63dd9fe",
"metadata": {},
"outputs": [],
"source": [
"data_vocab_size = len(data.uniq_words)\n",
"print(data_vocab_size)"
"class TrainDataset(torch.utils.data.IterableDataset):\n",
" def __init__(self, data, index_to_key, key_to_index):\n",
" self.data = data\n",
" self.index_to_key = index_to_key\n",
" self.key_to_index = key_to_index\n",
" self.vocab_size = len(key_to_index)\n",
"\n",
" def __iter__(self):\n",
" for _, row in self.data.iterrows():\n",
" text = str(row[6]) + str(row[0]) + str(row[7])\n",
" text = clean_text(text)\n",
" tokens = word_tokenize(text)\n",
" for i in range(5, len(tokens), 1):\n",
" input_context = tokens[i-5:i]\n",
" target_context = tokens[i-4:i+1]\n",
" #gap_word = tokens[i]\n",
" \n",
" input_embed = [self.key_to_index[word] if word in self.key_to_index else self.key_to_index['<unk>'] for word in input_context]\n",
" target_embed = [self.key_to_index[word] if word in self.key_to_index else self.key_to_index['<unk>'] for word in target_context]\n",
" #word_index = self.key_to_index[gap_word] if gap_word in self.key_to_index else self.key_to_index['<unk>']\n",
" #word_embed = np.concatenate([np.zeros(word_index), np.ones(1), np.zeros(vocab_size - word_index - 1)])\n",
" \n",
" yield np.asarray(input_embed, dtype=np.int64), np.asarray(target_embed, dtype=np.int64)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "dc097469",
"execution_count": 9,
"id": "7c60ddc1",
"metadata": {},
"outputs": [],
"source": [
"model = Model(vocab_size = data_vocab_size).to(device)"
"class Model(nn.Module):\n",
" def __init__(self, embed_size, vocab_size):\n",
" super(Model, self).__init__()\n",
" self.embed_size = embed_size\n",
" self.vocab_size = vocab_size\n",
" self.gru_size = 128\n",
" self.num_layers = 2\n",
" \n",
" self.embed = nn.Embedding(num_embeddings=vocab_size, embedding_dim=self.embed_size)\n",
" self.gru = nn.GRU(input_size=self.embed_size, hidden_size=self.gru_size, num_layers=self.num_layers, dropout=0.2)\n",
" self.fc = nn.Linear(self.gru_size, vocab_size)\n",
"\n",
" def forward(self, x, prev_state = None):\n",
" embed = self.embed(x)\n",
" output, state = self.gru(embed, prev_state)\n",
" logits = self.fc(output)\n",
" probs = torch.softmax(logits, dim=1)\n",
" return logits, state\n",
"\n",
" def init_state(self, sequence_length):\n",
" zeros = torch.zeros(self.num_layers, sequence_length, self.gru_size).to(device)\n",
" return (zeros, zeros)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "c9fcdfe7",
"execution_count": 10,
"id": "1c7b8fab",
"metadata": {},
"outputs": [],
"source": [
"from torch.utils.data import DataLoader\n",
"from torch.optim import Adam\n",
"\n",
"def train(dataset, model, max_epochs, batch_size):\n",
" model.train()\n",
"\n",
" dataloader = DataLoader(dataset, batch_size=batch_size)\n",
" criterion = nn.CrossEntropyLoss()\n",
" optimizer = optim.Adam(model.parameters(), lr=0.001)\n",
" optimizer = Adam(model.parameters(), lr=0.001)\n",
"\n",
" for epoch in range(max_epochs):\n",
" for batch, (x, y) in enumerate(dataloader):\n",
" optimizer.zero_grad()\n",
" \n",
" x = x.to(device)\n",
" y = y.to(device)\n",
" \n",
" y_pred, (state_h, state_c) = model(x)\n",
" y_pred, state_h = model(x)\n",
" loss = criterion(y_pred.transpose(1, 2), y)\n",
"\n",
" loss.backward()\n",
" optimizer.step()\n",
" \n",
" print({ 'epoch': epoch, 'update in batch': batch, '/' : len(dataloader), 'loss': loss.item() "
" if batch % 1000 == 0:\n",
" print(f'epoch: {epoch}, update in batch {batch}/???, loss: {loss.item()}')"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "38d52d9a",
"execution_count": 11,
"id": "3531d21d",
"metadata": {},
"outputs": [],
"source": [
"def predict(dataset, model, text, next_words=5):\n",
"train_dataset = TrainDataset(train_data.head(100000), index_to_key, key_to_index)"
]
},
{
"cell_type": "code",
"execution_count": 12,
"id": "f72f1f6d",
"metadata": {},
"outputs": [],
"source": [
"model = Model(100, vocab_size).to(device)"
]
},
{
"cell_type": "code",
"execution_count": 13,
"id": "d608d9fe",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"epoch: 0, update in batch 0/???, loss: 11.47425365447998\n",
"epoch: 0, update in batch 1000/???, loss: 7.042205810546875\n",
"epoch: 0, update in batch 2000/???, loss: 7.235440731048584\n",
"epoch: 0, update in batch 3000/???, loss: 7.251269340515137\n",
"epoch: 0, update in batch 4000/???, loss: 6.944191932678223\n",
"epoch: 0, update in batch 5000/???, loss: 6.263372421264648\n",
"epoch: 0, update in batch 6000/???, loss: 6.181947231292725\n",
"epoch: 0, update in batch 7000/???, loss: 6.508013725280762\n",
"epoch: 0, update in batch 8000/???, loss: 6.658236026763916\n",
"epoch: 0, update in batch 9000/???, loss: 6.536279201507568\n",
"epoch: 0, update in batch 10000/???, loss: 6.802626609802246\n",
"epoch: 0, update in batch 11000/???, loss: 6.961029052734375\n",
"epoch: 0, update in batch 12000/???, loss: 7.713824272155762\n",
"epoch: 0, update in batch 13000/???, loss: 8.100411415100098\n",
"epoch: 0, update in batch 14000/???, loss: 6.457145690917969\n",
"epoch: 0, update in batch 15000/???, loss: 6.850286960601807\n",
"epoch: 0, update in batch 16000/???, loss: 6.794063568115234\n",
"epoch: 0, update in batch 17000/???, loss: 6.311314582824707\n",
"epoch: 0, update in batch 18000/???, loss: 6.611917018890381\n",
"epoch: 0, update in batch 19000/???, loss: 5.679810523986816\n",
"epoch: 0, update in batch 20000/???, loss: 7.110655307769775\n",
"epoch: 0, update in batch 21000/???, loss: 7.170722961425781\n",
"epoch: 0, update in batch 22000/???, loss: 6.584908485412598\n",
"epoch: 0, update in batch 23000/???, loss: 7.224095344543457\n",
"epoch: 0, update in batch 24000/???, loss: 5.827445983886719\n",
"epoch: 0, update in batch 25000/???, loss: 6.444586753845215\n",
"epoch: 0, update in batch 26000/???, loss: 6.149054527282715\n",
"epoch: 0, update in batch 27000/???, loss: 6.259871482849121\n",
"epoch: 0, update in batch 28000/???, loss: 5.789839744567871\n",
"epoch: 0, update in batch 29000/???, loss: 7.025563716888428\n",
"epoch: 0, update in batch 30000/???, loss: 7.265492916107178\n",
"epoch: 0, update in batch 31000/???, loss: 4.921586036682129\n",
"epoch: 0, update in batch 32000/???, loss: 6.467754364013672\n",
"epoch: 0, update in batch 33000/???, loss: 7.393715858459473\n",
"epoch: 0, update in batch 34000/???, loss: 6.9696760177612305\n",
"epoch: 0, update in batch 35000/???, loss: 7.276318550109863\n",
"epoch: 0, update in batch 36000/???, loss: 7.011231899261475\n",
"epoch: 0, update in batch 37000/???, loss: 7.029260158538818\n",
"epoch: 0, update in batch 38000/???, loss: 6.723126411437988\n",
"epoch: 0, update in batch 39000/???, loss: 6.828773498535156\n",
"epoch: 0, update in batch 40000/???, loss: 6.069770336151123\n",
"epoch: 0, update in batch 41000/???, loss: 6.651298522949219\n",
"epoch: 0, update in batch 42000/???, loss: 7.455380916595459\n",
"epoch: 0, update in batch 43000/???, loss: 5.594773769378662\n",
"epoch: 0, update in batch 44000/???, loss: 6.102865219116211\n",
"epoch: 0, update in batch 45000/???, loss: 6.04202127456665\n",
"epoch: 0, update in batch 46000/???, loss: 6.472177982330322\n",
"epoch: 0, update in batch 47000/???, loss: 5.870923042297363\n",
"epoch: 0, update in batch 48000/???, loss: 6.286317348480225\n",
"epoch: 0, update in batch 49000/???, loss: 7.157052516937256\n",
"epoch: 0, update in batch 50000/???, loss: 5.888463020324707\n",
"epoch: 0, update in batch 51000/???, loss: 5.609915733337402\n",
"epoch: 0, update in batch 52000/???, loss: 6.565190315246582\n",
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"epoch: 0, update in batch 335000/???, loss: 6.906959533691406\n",
"epoch: 0, update in batch 336000/???, loss: 6.12356424331665\n",
"epoch: 0, update in batch 337000/???, loss: 6.316069602966309\n",
"epoch: 0, update in batch 338000/???, loss: 6.908566474914551\n",
"epoch: 0, update in batch 339000/???, loss: 5.628839492797852\n",
"epoch: 0, update in batch 340000/???, loss: 7.069979667663574\n",
"epoch: 0, update in batch 341000/???, loss: 5.350735187530518\n",
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"epoch: 0, update in batch 347000/???, loss: 5.311842918395996\n",
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"epoch: 0, update in batch 354000/???, loss: 7.220989227294922\n",
"epoch: 0, update in batch 355000/???, loss: 5.954288005828857\n",
"epoch: 0, update in batch 356000/???, loss: 4.112783432006836\n",
"epoch: 0, update in batch 357000/???, loss: 5.409672737121582\n",
"epoch: 0, update in batch 358000/???, loss: 6.408724784851074\n",
"epoch: 0, update in batch 359000/???, loss: 6.744941711425781\n",
"epoch: 0, update in batch 360000/???, loss: 6.218225479125977\n",
"epoch: 0, update in batch 361000/???, loss: 6.071394920349121\n",
"epoch: 0, update in batch 362000/???, loss: 6.137121677398682\n",
"epoch: 0, update in batch 363000/???, loss: 5.876864433288574\n",
"epoch: 0, update in batch 364000/???, loss: 7.715426445007324\n",
"epoch: 0, update in batch 365000/???, loss: 6.217362880706787\n",
"epoch: 0, update in batch 366000/???, loss: 6.741396903991699\n",
"epoch: 0, update in batch 367000/???, loss: 6.4564313888549805\n",
"epoch: 0, update in batch 368000/???, loss: 6.994439601898193\n",
"epoch: 0, update in batch 369000/???, loss: 6.061278820037842\n",
"epoch: 0, update in batch 370000/???, loss: 4.894576549530029\n",
"epoch: 0, update in batch 371000/???, loss: 6.351264953613281\n",
"epoch: 0, update in batch 372000/???, loss: 6.826904296875\n",
"epoch: 0, update in batch 373000/???, loss: 6.090312480926514\n",
"epoch: 0, update in batch 374000/???, loss: 5.797528266906738\n",
"epoch: 0, update in batch 375000/???, loss: 7.3235673904418945\n",
"epoch: 0, update in batch 376000/???, loss: 5.5752973556518555\n",
"epoch: 0, update in batch 377000/???, loss: 6.29438591003418\n",
"epoch: 0, update in batch 378000/???, loss: 5.238917827606201\n",
"epoch: 0, update in batch 379000/???, loss: 5.542972564697266\n",
"epoch: 0, update in batch 380000/???, loss: 6.5024614334106445\n",
"epoch: 0, update in batch 381000/???, loss: 6.918997287750244\n",
"epoch: 0, update in batch 382000/???, loss: 5.694029331207275\n",
"epoch: 0, update in batch 383000/???, loss: 7.109190940856934\n",
"epoch: 0, update in batch 384000/???, loss: 5.214654445648193\n",
"epoch: 0, update in batch 385000/???, loss: 7.055975437164307\n",
"epoch: 0, update in batch 386000/???, loss: 6.443846225738525\n",
"epoch: 0, update in batch 387000/???, loss: 5.544674873352051\n",
"epoch: 0, update in batch 388000/???, loss: 6.936171531677246\n",
"epoch: 0, update in batch 389000/???, loss: 6.646860599517822\n",
"epoch: 0, update in batch 390000/???, loss: 6.193584442138672\n",
"epoch: 0, update in batch 391000/???, loss: 5.9077558517456055\n",
"epoch: 0, update in batch 392000/???, loss: 5.029908657073975\n",
"epoch: 0, update in batch 393000/???, loss: 6.725222587585449\n",
"epoch: 0, update in batch 394000/???, loss: 6.814855098724365\n",
"epoch: 0, update in batch 395000/???, loss: 7.396543979644775\n",
"epoch: 0, update in batch 396000/???, loss: 6.993375301361084\n",
"epoch: 0, update in batch 397000/???, loss: 6.224326133728027\n",
"epoch: 0, update in batch 398000/???, loss: 6.301025390625\n",
"epoch: 0, update in batch 399000/???, loss: 6.707190036773682\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"epoch: 0, update in batch 400000/???, loss: 6.7646660804748535\n",
"epoch: 0, update in batch 401000/???, loss: 5.308177471160889\n",
"epoch: 0, update in batch 402000/???, loss: 8.35996150970459\n",
"epoch: 0, update in batch 403000/???, loss: 5.825610160827637\n",
"epoch: 0, update in batch 404000/???, loss: 6.310220718383789\n",
"epoch: 0, update in batch 405000/???, loss: 5.759210109710693\n",
"epoch: 0, update in batch 406000/???, loss: 6.32699728012085\n",
"epoch: 0, update in batch 407000/???, loss: 5.659378528594971\n",
"epoch: 0, update in batch 408000/???, loss: 6.216103553771973\n",
"epoch: 0, update in batch 409000/???, loss: 5.666914463043213\n",
"epoch: 0, update in batch 410000/???, loss: 6.419122219085693\n",
"epoch: 0, update in batch 411000/???, loss: 5.372750282287598\n",
"epoch: 0, update in batch 412000/???, loss: 6.839580535888672\n",
"epoch: 0, update in batch 413000/???, loss: 6.7682647705078125\n",
"epoch: 0, update in batch 414000/???, loss: 5.951648235321045\n",
"epoch: 0, update in batch 415000/???, loss: 6.181953430175781\n",
"epoch: 0, update in batch 416000/???, loss: 5.475704669952393\n",
"epoch: 0, update in batch 417000/???, loss: 6.383082866668701\n",
"epoch: 0, update in batch 418000/???, loss: 6.8107590675354\n",
"epoch: 0, update in batch 419000/???, loss: 5.753104209899902\n",
"epoch: 0, update in batch 420000/???, loss: 5.320840835571289\n",
"epoch: 0, update in batch 421000/???, loss: 7.377203464508057\n",
"epoch: 0, update in batch 422000/???, loss: 6.5706048011779785\n",
"epoch: 0, update in batch 423000/???, loss: 5.032872676849365\n",
"epoch: 0, update in batch 424000/???, loss: 5.781243324279785\n",
"epoch: 0, update in batch 425000/???, loss: 6.160118579864502\n"
]
}
],
"source": [
"train(train_dataset, model, 1, 64)"
]
},
{
"cell_type": "code",
"execution_count": 58,
"id": "36a1b802",
"metadata": {},
"outputs": [],
"source": [
"def predict_probs(tokens):\n",
" model.eval()\n",
" words = text.split(' ')\n",
" state_h, state_c = model.init_state(len(words))\n",
" state_h = model.init_state(len(tokens))\n",
"\n",
" for i in range(0, next_words):\n",
" x = torch.tensor([[dataset.word_to_index[w] for w in words[i:]]]).to(device)\n",
" y_pred, (state_h, state_c) = model(x, (state_h, state_c))\n",
" x = torch.tensor([[train_dataset.key_to_index[w] if w in key_to_index else train_dataset.key_to_index['<unk>'] for w in tokens]]).to(device)\n",
" y_pred, state_h = model(x)\n",
"\n",
" last_word_logits = y_pred[0][-1]\n",
" p = torch.nn.functional.softmax(last_word_logits, dim=0).detach().cpu().numpy()\n",
" word_index = np.random.choice(len(last_word_logits), p=p)\n",
" words.append(dataset.index_to_word[word_index])\n",
" probs = torch.nn.functional.softmax(last_word_logits, dim=0).detach().cpu().numpy()\n",
" word_index = np.random.choice(len(last_word_logits), p=probs)\n",
" \n",
" return words"
" top_words = []\n",
" for index in range(len(probs)):\n",
" if len(top_words) < 30:\n",
" top_words.append((probs[index], [index]))\n",
" else:\n",
" worst_word = None\n",
" for word in top_words:\n",
" if not worst_word:\n",
" worst_word = word\n",
" else:\n",
" if word[0] < worst_word[0]:\n",
" worst_word = word\n",
" if worst_word[0] < probs[index] and index != len(probs) - 1:\n",
" top_words.remove(worst_word)\n",
" top_words.append((probs[index], [index]))\n",
" \n",
" prediction = ''\n",
" sum_prob = 0.0\n",
" for word in top_words:\n",
" sum_prob += word[0]\n",
" word_index = word[0]\n",
" word_text = index_to_key[word[1][0]]\n",
" prediction += f'{word_text}:{word_index} '\n",
" prediction += f':{1 - sum_prob}'\n",
" \n",
" return prediction"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "bcd99ea4",
"execution_count": 56,
"id": "155636b5",
"metadata": {},
"outputs": [],
"source": [
"train(data, model, 10, 128)"
"dev_data = pd.read_csv('dev-0/in.tsv.xz', sep='\\t', on_bad_lines='skip', header=None, quoting=csv.QUOTE_NONE)\n",
"test_data = pd.read_csv('test-A/in.tsv.xz', sep='\\t', on_bad_lines='skip', header=None, quoting=csv.QUOTE_NONE)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "df052344",
"execution_count": 59,
"id": "99b1d944",
"metadata": {},
"outputs": [],
"source": [
"torch.save(model.state_dict(), 'model.pt')"
"with open('dev-0/out.tsv', 'w') as file:\n",
" for index, row in dev_data.iterrows():\n",
" left_text = clean_text(str(row[6]))\n",
" left_words = word_tokenize(left_text)\n",
" if len(left_words) < 6:\n",
" prediction = ':1.0'\n",
" else:\n",
" prediction = predict_probs(left_words[-5:])\n",
" file.write(prediction + '\\n')"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "6e87339b",
"execution_count": 60,
"id": "186c3269",
"metadata": {},
"outputs": [],
"source": []
"source": [
"with open('test-A/out.tsv', 'w') as file:\n",
" for index, row in test_data.iterrows():\n",
" left_text = clean_text(str(row[6]))\n",
" left_words = word_tokenize(left_text)\n",
" if len(left_words) < 6:\n",
" prediction = ':1.0'\n",
" else:\n",
" prediction = predict_probs(left_words[-5:])\n",
" file.write(prediction + '\\n')"
]
}
],
"metadata": {

259
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#!/usr/bin/env python
# coding: utf-8
# In[1]:
import pandas as pd
import numpy as np
import regex as re
import csv
import torch
from torch import nn
from gensim.models import Word2Vec
from nltk.tokenize import word_tokenize
# In[2]:
torch.cuda.empty_cache()
device = 'cuda' if torch.cuda.is_available() else 'cpu'
# In[3]:
def clean_text(text):
text = text.lower().replace('-\\\\\\\\n', '').replace('\\\\\\\\n', ' ')
text = re.sub(r'\p{P}', '', text)
text = text.replace("'t", " not").replace("'s", " is").replace("'ll", " will").replace("'m", " am").replace("'ve", " have")
return text
# In[4]:
train_data = pd.read_csv('train/in.tsv.xz', sep='\t', on_bad_lines='skip', header=None, quoting=csv.QUOTE_NONE)
train_labels = pd.read_csv('train/expected.tsv', sep='\t', on_bad_lines='skip', header=None, quoting=csv.QUOTE_NONE)
train_data = train_data[[6, 7]]
train_data = pd.concat([train_data, train_labels], axis=1)
# In[5]:
class TrainCorpus:
def __init__(self, data):
self.data = data
def __iter__(self):
for _, row in self.data.iterrows():
text = str(row[6]) + str(row[0]) + str(row[7])
text = clean_text(text)
yield word_tokenize(text)
# In[6]:
train_sentences = TrainCorpus(train_data.head(100000))
w2v_model = Word2Vec(vector_size=100, min_count=10)
# In[7]:
w2v_model.build_vocab(corpus_iterable=train_sentences)
key_to_index = w2v_model.wv.key_to_index
index_to_key = w2v_model.wv.index_to_key
index_to_key.append('<unk>')
key_to_index['<unk>'] = len(index_to_key) - 1
vocab_size = len(index_to_key)
print(vocab_size)
# In[8]:
class TrainDataset(torch.utils.data.IterableDataset):
def __init__(self, data, index_to_key, key_to_index):
self.data = data
self.index_to_key = index_to_key
self.key_to_index = key_to_index
self.vocab_size = len(key_to_index)
def __iter__(self):
for _, row in self.data.iterrows():
text = str(row[6]) + str(row[0]) + str(row[7])
text = clean_text(text)
tokens = word_tokenize(text)
for i in range(5, len(tokens), 1):
input_context = tokens[i-5:i]
target_context = tokens[i-4:i+1]
#gap_word = tokens[i]
input_embed = [self.key_to_index[word] if word in self.key_to_index else self.key_to_index['<unk>'] for word in input_context]
target_embed = [self.key_to_index[word] if word in self.key_to_index else self.key_to_index['<unk>'] for word in target_context]
#word_index = self.key_to_index[gap_word] if gap_word in self.key_to_index else self.key_to_index['<unk>']
#word_embed = np.concatenate([np.zeros(word_index), np.ones(1), np.zeros(vocab_size - word_index - 1)])
yield np.asarray(input_embed, dtype=np.int64), np.asarray(target_embed, dtype=np.int64)
# In[9]:
class Model(nn.Module):
def __init__(self, embed_size, vocab_size):
super(Model, self).__init__()
self.embed_size = embed_size
self.vocab_size = vocab_size
self.gru_size = 128
self.num_layers = 2
self.embed = nn.Embedding(num_embeddings=vocab_size, embedding_dim=self.embed_size)
self.gru = nn.GRU(input_size=self.embed_size, hidden_size=self.gru_size, num_layers=self.num_layers, dropout=0.2)
self.fc = nn.Linear(self.gru_size, vocab_size)
def forward(self, x, prev_state = None):
embed = self.embed(x)
output, state = self.gru(embed, prev_state)
logits = self.fc(output)
probs = torch.softmax(logits, dim=1)
return logits, state
def init_state(self, sequence_length):
zeros = torch.zeros(self.num_layers, sequence_length, self.gru_size).to(device)
return (zeros, zeros)
# In[10]:
from torch.utils.data import DataLoader
from torch.optim import Adam
def train(dataset, model, max_epochs, batch_size):
model.train()
dataloader = DataLoader(dataset, batch_size=batch_size)
criterion = nn.CrossEntropyLoss()
optimizer = Adam(model.parameters(), lr=0.001)
for epoch in range(max_epochs):
for batch, (x, y) in enumerate(dataloader):
optimizer.zero_grad()
x = x.to(device)
y = y.to(device)
y_pred, state_h = model(x)
loss = criterion(y_pred.transpose(1, 2), y)
loss.backward()
optimizer.step()
if batch % 1000 == 0:
print(f'epoch: {epoch}, update in batch {batch}/???, loss: {loss.item()}')
# In[11]:
train_dataset = TrainDataset(train_data.head(100000), index_to_key, key_to_index)
# In[12]:
model = Model(100, vocab_size).to(device)
# In[13]:
train(train_dataset, model, 1, 64)
# In[58]:
def predict_probs(tokens):
model.eval()
state_h = model.init_state(len(tokens))
x = torch.tensor([[train_dataset.key_to_index[w] if w in key_to_index else train_dataset.key_to_index['<unk>'] for w in tokens]]).to(device)
y_pred, state_h = model(x)
last_word_logits = y_pred[0][-1]
probs = torch.nn.functional.softmax(last_word_logits, dim=0).detach().cpu().numpy()
word_index = np.random.choice(len(last_word_logits), p=probs)
top_words = []
for index in range(len(probs)):
if len(top_words) < 30:
top_words.append((probs[index], [index]))
else:
worst_word = None
for word in top_words:
if not worst_word:
worst_word = word
else:
if word[0] < worst_word[0]:
worst_word = word
if worst_word[0] < probs[index] and index != len(probs) - 1:
top_words.remove(worst_word)
top_words.append((probs[index], [index]))
prediction = ''
sum_prob = 0.0
for word in top_words:
sum_prob += word[0]
word_index = word[0]
word_text = index_to_key[word[1][0]]
prediction += f'{word_text}:{word_index} '
prediction += f':{1 - sum_prob}'
return prediction
# In[56]:
dev_data = pd.read_csv('dev-0/in.tsv.xz', sep='\t', on_bad_lines='skip', header=None, quoting=csv.QUOTE_NONE)
test_data = pd.read_csv('test-A/in.tsv.xz', sep='\t', on_bad_lines='skip', header=None, quoting=csv.QUOTE_NONE)
# In[59]:
with open('dev-0/out.tsv', 'w') as file:
for index, row in dev_data.iterrows():
left_text = clean_text(str(row[6]))
left_words = word_tokenize(left_text)
if len(left_words) < 6:
prediction = ':1.0'
else:
prediction = predict_probs(left_words[-5:])
file.write(prediction + '\n')
# In[60]:
with open('test-A/out.tsv', 'w') as file:
for index, row in test_data.iterrows():
left_text = clean_text(str(row[6]))
left_words = word_tokenize(left_text)
if len(left_words) < 6:
prediction = ':1.0'
else:
prediction = predict_probs(left_words[-5:])
file.write(prediction + '\n')

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