mkonicek

def load_words(file_path: str) -> List[Word]:
    """Load and cleanup the data."""
    
    words = load_words_raw(file_path)
    print(f"Loaded {len(words)} words.")
    
    words = remove_stop_words(words)
    print(f"Removed stop words, {len(words)} remain.")
    
    words = remove_duplicates(words)

mkonicek

def closest_analogies(
    left2: str, left1: str, right2: str, words: List[Word]
) -> List[Tuple[float, Word]]:
    word_left1 = find_word(left1, words)
    word_left2 = find_word(left2, words)
    word_right2 = find_word(right2, words)
    vector = add_vectors(
        sub_vectors(word_left1.vector, word_left2.vector),
        word_right2.vector)
    closest = sorted_by_similarity(words, vector)[:10]

mkonicek

>>> print_related(words, 'spain')
britain, england, france, europe, germany, spanish, italy

>>> print_related(words, 'called')
termed, dubbed, named, referred, nicknamed, titled, described

>>> print_related(words, 'although')
though, however, but, whereas, while, since, Nevertheless

>>> print_related(words, 'arms')

mkonicek

def print_related(words: List[Word], text: str) -> None:
    base_word = find_word(text, words)
    sorted_words = [
        word.text for (dist, word) in
            sorted_by_similarity(words, base_word.vector)
            if word.text.lower() != base_word.text.lower()
        ]
    print(', '.join(sorted_words[:7]))
    
def find_word(words: List[Word], text: str) -> Word:

mkonicek

def sorted_by_similarity(words: List[Word], base_vector: Vector) -> List[Tuple[float, Word]]:
    """Returns words sorted by cosine distance to a given vector, most similar first"""
    words_with_distance = [(cosine_similarity(base_vector, w.vector), w) for w in words]
    # We want cosine similarity to be as large as possible (close to 1)
    return sorted(words_with_distance, key=lambda t: t[0], reverse=True)

mkonicek

def vector_len(v: Vector) -> float:
    return math.sqrt(sum([x*x for x in v]))

def dot_product(v1: Vector, v2: Vector) -> float:
    assert len(v1) == len(v2)
    return sum([x*y for (x,y) in zip(v1, v2)])

def cosine_similarity(v1: Vector, v2: Vector) -> float:
    """
    Returns the cosine of the angle between the two vectors.

mkonicek

words = load_words('data/words.vec')

mkonicek

from typing import List

Vector = List[float]

class Word:
    def __init__(self, text: str, vector: Vector) -> None:
        self.text = text
        self.vector = vector

mkonicek

Thanks to 91 contributors who put [217 commits](https://github.com/facebook/react-native/compare/0.22-stable...0.23-stable) into **React Native 0.23**!

Special thanks to @knowbody for writing these release notes!

## New features

- Add ability to silence packager logs to stdout - https://github.com/facebook/react-native/commit/d5445d5fbc5ea6d1ec01c9d4e7692613a216967f
- Add the possibility to `console.error`/redbox on promise rejections - https://github.com/facebook/react-native/commit/f87b673a2959b8d05703c2c83c89d32fe38d2e75
- Add more performance logs and improve Systrace support - https://github.com/facebook/react-native/commit/f6853b8eacec250df1a73f56d7ef9d32b91615e1
- Initial implementation of the Navigator with NavigationExperimental. - https://github.com/facebook/react-native/commit/fa5783e3ee1c5e0b73231a2cf0703545cf9b91ac

mkonicek

Thanks to 91 contributors who put [217 commits](https://github.com/facebook/react-native/compare/0.22-stable...0.23-stable) into **React Native 0.23**!

Special thanks to @knowbody for writing these release notes!

## New features

- Add ability to silence packager logs to stdout - https://github.com/facebook/react-native/commit/d5445d5fbc5ea6d1ec01c9d4e7692613a216967f
- Add the possibility to `console.error`/redbox on promise rejections - https://github.com/facebook/react-native/commit/f87b673a2959b8d05703c2c83c89d32fe38d2e75
- Add more performance logs and improve Systrace support - https://github.com/facebook/react-native/commit/f6853b8eacec250df1a73f56d7ef9d32b91615e1
- Initial implementation of the Navigator with NavigationExperimental. - https://github.com/facebook/react-native/commit/fa5783e3ee1c5e0b73231a2cf0703545cf9b91ac