Scikit-learn: AgglomerativeClustering ๋ฐ FeatureAgglomeration์— ๋Œ€ํ•œ ํด๋ž˜์Šค ๋””์ž์ธ ๊ฐœ์„  (AgglomerativeClustering์˜ pooling_func๊ฐ€ ์ž‘๋™ํ•˜์ง€ ์•Š์Œ)

์— ๋งŒ๋“  2017๋…„ 09์›” 28์ผ  ยท  3์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: scikit-learn/scikit-learn

๊ธฐ์ˆ 


AgglomerativeClustering์˜ pooling_func๊ฐ€ ์ž‘๋™ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

์žฌํ˜„ ํ•  ๋‹จ๊ณ„ / ์ฝ”๋“œ

from sklearn import metrics
from sklearn.datasets.samples_generator import make_blobs
from sklearn.cluster import AgglomerativeClustering


centers = [[1, 1], [-1, -1], [1, -1]]
X, labels_true = make_blobs(n_samples=300, centers=centers, cluster_std=0.5,
                            random_state=0)

model = AgglomerativeClustering(linkage='complete',
                                connectivity=None,
                                affinity = 'cosine',
                                pooling_func = "test_error",
                                n_clusters=3)
model.fit(X)

์˜ˆ์ƒ ๊ฒฐ๊ณผ


pooling_func๋ฅผ ํ˜ธ์ถœ ํ•  ์ˆ˜ ์—†๊ธฐ ๋•Œ๋ฌธ์— ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค. ๋ฌธ์ž์—ด์ž…๋‹ˆ๋‹ค.

์‹ค์ œ ๊ฒฐ๊ณผ


๊ฒฝ๊ณ  ์—†์Œ, ์˜ค๋ฅ˜ ์—†์Œ

๋ฒ„์ „


Linux-4.4.0-64-generic-x86_64-with-debian-stretch-sid
Python 3.5.3 | conda-forge์— ์˜ํ•ด ํฌ์žฅ ๋œ | (๊ธฐ๋ณธ๊ฐ’, 2017 ๋…„ 2 ์›” 9 ์ผ, 14:37:12)
[GCC 4.8.2 20140120 (Red Hat 4.8.2-15)]
NumPy 1.13.1
SciPy 0.19.1
Scikit-Learn 0.19.0

Easy help wanted

๋ชจ๋“  3 ๋Œ“๊ธ€

์ด๊ฒƒ์ด ํด๋ž˜์Šค ๋””์ž์ธ ๋ฌธ์ œ์ธ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. FeatureAgglomeration์€ AgglomerativeClustering์—์„œ ํŒŒ์ƒ๋˜์ง€๋งŒ pooling_func๋Š” AgglomerativeClustering.transform์—์„œ๋งŒ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.

PR์„ ์ž์œ ๋กญ๊ฒŒ์—ฌ์‹ญ์‹œ์˜ค. ์ž์„ธํžˆ ์‚ดํŽด ๋ณด์ง€๋Š” ์•Š์•˜์ง€๋งŒ ๊ฐ€๋Šฅํ•œ ํ•ด๊ฒฐ์ฑ…์€ FeatureAgglomeration ๋ฐ AgglomerativeClustering์ด ๊ณตํ†ต ๊ธฐ๋ณธ ํด๋ž˜์Šค์—์„œ ํŒŒ์ƒ๋˜๊ณ  FeatureAgglomeration์—์„œ๋งŒ pooling_func๋ฅผ ๊ฐ–๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.

์ƒ๊ฐ์ด ๋‚˜์ง€ ์•Š์ง€๋งŒ ์ด๋ ‡๊ฒŒ ๋œ ์ด์œ ๊ฐ€ ์žˆ์„์ง€๋„ ๋ชจ๋ฅธ๋‹ค๊ณ  ๋งํ•œ ๊ฒƒ์ž…๋‹ˆ๋‹ค.

(๊ทธ๋ฆฌ๊ณ  FeatureAgglomeration์€ ์•„๋งˆ๋„ ๋ž˜ํผ ๋˜๋Š” ๋ฏน์Šค ์ธ์ด์–ด์•ผํ•ฉ๋‹ˆ๋‹ค ...)

2017 ๋…„ 9 ์›” 28 ์ผ ์˜คํ›„ 9์‹œ 24 ๋ถ„์— "Loรฏc Estรจve" [email protected]์ด ์ž‘์„ฑํ–ˆ์Šต๋‹ˆ๋‹ค.

์ด๊ฒƒ์ด ํด๋ž˜์Šค ๋””์ž์ธ ๋ฌธ์ œ์ธ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. FeatureAgglomeration
AgglomerativeClustering์—์„œ ํŒŒ์ƒ๋˜์ง€๋งŒ pooling_func๋Š” ๋‹ค์Œ์—์„œ๋งŒ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
AgglomerativeClustering.transform.

PR์„ ์ž์œ ๋กญ๊ฒŒ์—ฌ์‹ญ์‹œ์˜ค. ์ž์„ธํžˆ ๋ณด์ง€ ์•Š์•˜์ง€๋งŒ ๊ฐ€๋Šฅํ•œ ํ•ด๊ฒฐ์ฑ…
FeatureAgglomeration ๋ฐ AgglomerativeClustering์ด ํŒŒ์ƒ๋˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.
๊ณตํ†ต ๊ธฐ๋ณธ ํด๋ž˜์Šค์—์„œ ๊ฐ€์ ธ์˜ค๊ณ  FeatureAgglomeration์—๋งŒ pooling_func๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

์ด๋ ‡๊ฒŒ ํ•œ ์ด์œ ๊ฐ€ ์žˆ์„์ง€๋„ ๋ชจ๋ฅธ๋‹ค๊ณ  ๋งํ–ˆ์ง€๋งŒ
์•„๋ฌด๊ฒƒ๋„ ์ƒ๊ฐํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

โ€”
์ด ์Šค๋ ˆ๋“œ๋ฅผ ๊ตฌ๋…ํ–ˆ๊ธฐ ๋•Œ๋ฌธ์—์ด ๋ฉ”์‹œ์ง€๊ฐ€ ์ „์†ก๋˜์—ˆ์Šต๋‹ˆ๋‹ค.
์ด ์ด๋ฉ”์ผ์— ์ง์ ‘ ๋‹ต์žฅํ•˜๊ณ  GitHub์—์„œ ํ™•์ธํ•˜์„ธ์š”.
https://github.com/scikit-learn/scikit-learn/issues/9846#issuecomment-332807654 ,
๋˜๋Š” ์Šค๋ ˆ๋“œ ์Œ์†Œ๊ฑฐ
https://github.com/notifications/unsubscribe-auth/AAEz6z9lkUF7u0jA2-sWEe_XIZvUk1r_ks5sm4HdgaJpZM4PnBzV
.

ํ˜„์žฌ ์ž‘์—… ์ค‘์ด ์•„๋‹ˆ๋ผ๋ฉด์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ณ  ์‹ถ์Šต๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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