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dev-0/in.tsv
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dev-0/in.tsv
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dev-0/out.tsv
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dev-0/out.tsv
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test-A/in.tsv
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test-A/in.tsv
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test-A/out.tsv
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test-A/out.tsv
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train/in.tsv
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train/in.tsv
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zadanie.ipynb
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zadanie.ipynb
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [
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{
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"name": "stderr",
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"output_type": "stream",
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"text": [
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"[nltk_data] Downloading package stopwords to\n",
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"[nltk_data] C:\\Users\\akida\\AppData\\Roaming\\nltk_data...\n",
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"[nltk_data] Package stopwords is already up-to-date!\n",
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"[nltk_data] Downloading package wordnet to\n",
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"[nltk_data] C:\\Users\\akida\\AppData\\Roaming\\nltk_data...\n",
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"[nltk_data] Package wordnet is already up-to-date!\n",
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"[nltk_data] Downloading package punkt to\n",
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"[nltk_data] C:\\Users\\akida\\AppData\\Roaming\\nltk_data...\n",
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"[nltk_data] Package punkt is already up-to-date!\n"
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]
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},
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{
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"data": {
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"text/plain": [
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"True"
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]
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},
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"execution_count": 1,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"import csv\n",
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"import numpy as np\n",
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"import pandas as pd\n",
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"import re\n",
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"import string\n",
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"import torch\n",
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"\n",
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"import nltk\n",
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"from nltk.tokenize import word_tokenize\n",
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"from nltk.corpus import stopwords # used for preprocessing\n",
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"from nltk.stem import WordNetLemmatizer # used for preprocessing\n",
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"nltk.download('stopwords')\n",
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"nltk.download('wordnet')\n",
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"nltk.download('punkt')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {},
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"outputs": [],
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"source": [
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"train_in = pd.read_csv(\"./train/in.tsv\", delimiter=\"\\t\", names=[\"text\", \"date\"], header=None)\n",
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"train_exp = pd.read_csv(\"./train/expected.tsv\", delimiter=\"\\t\", header=None)\n",
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"dev_in = pd.read_csv(\"./dev-0/in.tsv\", delimiter=\"\\t\", names=[\"text\", \"date\"],header=None)\n",
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"dev_exp = pd.read_csv(\"./dev-0/expected.tsv\", delimiter=\"\\t\", header=None)\n",
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"test_in = pd.read_csv(\"./test-A/in.tsv\", delimiter=\"\\t\", names=[\"text\", \"date\"], header=None)\n",
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"\n",
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"train_in.drop('date', axis=1, inplace=True)\n",
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"dev_in.drop('date', axis=1, inplace=True)\n",
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"test_in.drop('date', axis=1, inplace=True)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"metadata": {},
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"outputs": [],
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"source": [
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"train_set = train_in\n",
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"train_set['result'] = train_exp\n",
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"# train_set = train_set[:1000]\n",
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"\n",
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"dev_set = dev_in\n",
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"dev_set['result'] = dev_exp\n",
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"\n",
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"test_set = test_in\n",
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"test_set['result'] = pd.DataFrame(np.zeros(len(test_in), dtype=int))"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"289541"
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]
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},
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"execution_count": 4,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"len(train_set)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"metadata": {},
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"outputs": [],
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"source": [
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"def remove_urls(text):\n",
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" return ' '.join(re.sub(\"(@[A-Za-z0-9]+)|([^0-9A-Za-z \\t])|(\\w+:\\/\\/\\S+)\",\" \",str(text)).split())\n",
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"\n",
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"def text_lowercase(text): \n",
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" return text.lower()\n",
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"\n",
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"def remove_numbers(text):\n",
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" return re.sub(r'\\d+', '', text)\n",
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"\n",
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"def remove_punctuation(text):\n",
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" return text.translate(str.maketrans('', '', string.punctuation))\n",
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"\n",
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"def remove_stopwords(text):\n",
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" stop_words = set(stopwords.words('english'))\n",
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" return [i for i in text if not i in stop_words]\n",
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"\n",
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"def tokenize(text):\n",
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" return word_tokenize(text)\n",
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"\n",
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"def lemmatize(text):\n",
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" lemmatizer = WordNetLemmatizer() \n",
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" return [lemmatizer.lemmatize(token) for token in text]\n",
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"\n",
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"def preprocess(dataset):\n",
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" texts_column = []\n",
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" for num, text in enumerate(dataset['text']):\n",
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" if num % 10000 == 0:\n",
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" print(num)\n",
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" prep_text = remove_urls(text)\n",
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" prep_text = text_lowercase(prep_text)\n",
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" prep_text = remove_numbers(prep_text)\n",
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" prep_text = remove_punctuation(prep_text)\n",
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" prep_text = tokenize(prep_text)\n",
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" prep_text = remove_stopwords(prep_text)\n",
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" prep_text = lemmatize(prep_text)\n",
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" pre_text = ' '.join(prep_text)\n",
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" texts_column.append(pre_text)\n",
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" dataset['text'] = texts_column\n",
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" return dataset"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n",
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"0\n",
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"0\n"
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]
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}
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],
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"source": [
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"train_set = train_set[:12000]\n",
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"train_set = preprocess(train_set)\n",
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"dev_set = preprocess(dev_set)\n",
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"test_set = preprocess(dev_set)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 8,
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"metadata": {},
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"outputs": [],
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"source": [
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"train_set_copy = train_set\n",
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"dev_set_copy = dev_set\n",
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"test_set_copy = test_set"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 9,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n",
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"5000\n"
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]
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}
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],
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"source": [
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"dictionary = set()\n",
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"\n",
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"for i, text_line in enumerate(train_set_copy['text']):\n",
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" if i % 5000 == 0:\n",
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" print(i)\n",
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" for word in text_line.split():\n",
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" dictionary.add(word)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 10,
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"metadata": {},
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"outputs": [],
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"source": [
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"word_index_map = {}\n",
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"i = 0\n",
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"for w in dictionary:\n",
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" word_index_map[w] = i\n",
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" i += 1"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 11,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"21120"
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]
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},
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"execution_count": 11,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"len(word_index_map)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n"
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]
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}
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],
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"source": [
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"prep_x = []\n",
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"for num, w in enumerate(train_set_copy['text']):\n",
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" if num % 10000 == 0:\n",
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" print(num)\n",
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" a = np.zeros(len(word_index_map))\n",
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" for word in w.split():\n",
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" index = word_index_map[word]\n",
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" a[index] = 1.\n",
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" prep_x.append(a)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"metadata": {},
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"outputs": [],
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"source": [
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"train_y = train_set_copy['result'].astype(float).tolist()\n",
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"x = torch.tensor(prep_x, dtype=torch.float)\n",
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"y = torch.tensor(train_y, dtype=torch.float)\n",
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"k = torch.randn(len(dictionary), requires_grad=True)\n",
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"rate = torch.tensor(0.001)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 21,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n",
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"200\n",
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"400\n",
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"600\n",
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"800\n",
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"1000\n",
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"1200\n",
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"1400\n"
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]
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}
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],
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"source": [
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"for i in range(1500):\n",
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" y_predicted = torch.sigmoid(x @ k)\n",
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" price = (-1 / y.size()[0]) * torch.sum(y * torch.log(y_predicted + 1e-10) + (1 - y) * torch.log(1 - y_predicted + 1e-10))\n",
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" price.backward()\n",
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" with torch.no_grad():\n",
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" k -= rate * k.grad\n",
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" k.requires_grad = True\n",
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" if i % 200 == 0:\n",
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" print(i)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 22,
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"metadata": {},
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"outputs": [],
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"source": [
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"def prepare_data(dataset):\n",
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" prep_x = []\n",
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" for num, w in enumerate(dataset['text']):\n",
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" if num % 1000 == 0:\n",
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" print(num)\n",
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" a = np.zeros(len(word_index_map))\n",
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" for word in w.split():\n",
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" if word in word_index_map:\n",
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" index = word_index_map[word]\n",
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" a[index] = 1.\n",
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" prep_x.append(a)\n",
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" return torch.tensor(prep_x, dtype=torch.float)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 23,
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"metadata": {},
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"outputs": [],
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"source": [
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"def predict(x, weights, save_path):\n",
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" with open(save_path + '/out.tsv', 'wt', newline='') as f:\n",
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" writer = csv.writer(f, delimiter='\\t')\n",
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" y = torch.sigmoid(x @ weights)\n",
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" for value in y:\n",
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" if value > 0.90:\n",
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" value = torch.tensor([0.90])\n",
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" elif value < 0.10:\n",
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" value = torch.tensor([0.10])\n",
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" writer.writerow([str(value.item())])"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 24,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0\n",
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"1000\n",
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"2000\n",
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"3000\n",
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"4000\n",
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"5000\n",
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"0\n",
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"1000\n",
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"2000\n",
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"3000\n",
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"4000\n",
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"5000\n"
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]
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}
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],
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"source": [
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"x_dev = prepare_data(dev_set_copy)\n",
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"x_test = prepare_data(test_set_copy)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 25,
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"metadata": {
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"scrolled": true
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},
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"outputs": [],
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"source": [
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"predict(x_dev, k, './dev-0')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 26,
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"metadata": {},
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"outputs": [],
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"source": [
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"predict(x_test, k, './test-A')"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.8.3"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 4
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}
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Loading…
Reference in New Issue
Block a user