var findTenMostSimilarWordsToWord = function(wordToCompareTo, DMapKeys, WPrimeTranspose) {
//using cosine similarity to find 10 most similar words
var wordSimilarity = [];
var vectorOfWordToCompareTo = WPrimeTranspose[DMapKeys.indexOf(wordToCompareTo)];
for(var k=0; k<DMapKeys.length; k++) {
var word = DMapKeys[k];
if (wordToCompareTo === word) {
continue;
}
var dotProduct = math.dot(vectorOfWordToCompareTo, WPrimeTranspose[k]);
var vectorMagnitudesMultiplied = math.hypot(vectorOfWordToCompareTo) * math.hypot(WPrimeTranspose[k]);
var cosine = dotProduct / vectorMagnitudesMultiplied;
wordSimilarity.push({
word: word,
cosineSimilarity: cosine
});
}
return _.sortBy(wordSimilarity, function(item) {
//it naturally sorts in ascending order, but I want it to sort in descending order
return item.cosineSimilarity * -1;
}).slice(0, 10);
}
return function (y) {
return mathjs.dot(x, y);
}
(x, y, circle) => {
const v = math.subtract([x, y], [circle.x, circle.y]);
return math.dot(v, v) < (circle.scale * circle.r) ** 2;
},