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Update kMeans.md

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Isabelle Viktoria Maciohsek
2020-12-29 12:48:04 +02:00
committed by GitHub
parent 856703a41f
commit 31faa2ee2b
1 changed files with 1 additions and 3 deletions
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snippets/kMeans.md
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@ -18,8 +18,8 @@ const kMeans = (data, k = 1) => {
Array.from({ length: k }, () => 0) Array.from({ length: k }, () => 0)
); );
const classes = Array.from({ length: data.length }, () => -1); const classes = Array.from({ length: data.length }, () => -1);
let itr = true; let itr = true;
while (itr) { while (itr) {
itr = false; itr = false;
@ -29,7 +29,6 @@ const kMeans = (data, k = 1) => {
...Object.keys(data[0]).map(key => data[d][key] - centroids[c][key]) ...Object.keys(data[0]).map(key => data[d][key] - centroids[c][key])
); );
} }
const m = distances[d].indexOf(Math.min(...distances[d])); const m = distances[d].indexOf(Math.min(...distances[d]));
if (classes[d] !== m) itr = true; if (classes[d] !== m) itr = true;
classes[d] = m; classes[d] = m;
@ -44,7 +43,6 @@ const kMeans = (data, k = 1) => {
} }
return acc; return acc;
}, 0); }, 0);
for (let i in data[0]) { for (let i in data[0]) {
centroids[c][i] = parseFloat(Number(centroids[c][i] / size).toFixed(2)); centroids[c][i] = parseFloat(Number(centroids[c][i] / size).toFixed(2));
} }