๋ฌธ์ ๊ฐ ์ฌ์ฉ ์ง๋ฌธ์ธ ๊ฒฝ์ฐ ๋์ ์ฌ๊ธฐ์ ์ ์ถํ์ญ์์ค. - scikit-learn ํ๊ทธ๊ฐ ์๋ StackOverflow: https://stackoverflow.com/questions/tagged/scikit-learn - ๋ฉ์ผ๋ง ๋ชฉ๋ก: https://mail.python.org /mailman/listinfo/scikit-learn ์์ธํ ๋ด์ฉ์ ์ฌ์ฉ์ ์ง๋ฌธ: http://scikit-learn.org/stable/support.html#user-questions ๋ฒ๊ทธ ์ ๊ณ ์ง์นจ: https://github.com/scikit -learn/scikit-learn/blob/master/CONTRIBUTING.md#filing-bugs
๋ ๊ฐ์ ๋ทฐ ํ๋ ฌ X
๋ฐ Y
์ฃผ์ด์ง๋ฉด CCA๋ X
๋ฐ Y
'์ ์๋ ์์์ n_components
์ ํ ์กฐํฉ์ ๋ฐํํด์ผ ํฉ๋๋ค. ์๊ด ๊ด๊ณ๊ฐ ๊ฐ์ฅ ํฐ ๋ฒกํฐ, ์ฆ ์ฒซ ๋ฒ์งธ ๊ตฌ์ฑ ์์๊ฐ ๊ฐ์ฅ ํฐ ์๊ด ๊ด๊ณ๋ฅผ ๊ฐ๊ณ , ๋ ๋ฒ์งธ ๊ตฌ์ฑ ์์๊ฐ ์ฒซ ๋ฒ์งธ ๊ตฌ์ฑ ์์์ ์๊ด ๊ด๊ณ๊ฐ ์๋ ๋ฐฉํฅ์ผ๋ก ๋ ๋ฒ์งธ๋ก ํฐ ์๊ด ๊ด๊ณ๋ฅผ ๊ฐ๋ ๋ฑ์
๋๋ค. ๊ทธ๋ฌ๋ ๋ค์ ์ฝ๋์์ ๋ ๋ฒ์งธ ์ด์ ๋ช
ํํ๊ฒ ์ธ ๋ฒ์งธ ์ด๋ณด๋ค ์๊ด ๊ด๊ณ๊ฐ ๋ฎ์ต๋๋ค.
from sklearn.cross_decomposition import CCA
import numpy as np
from scipy import stats
X = [[0.006061109337620652, 0.0392466675239141, -0.04312459861840733], [-0.6652995467596429, 0.2076410843346226, -0.7817536882379651], [-1.4060868112838942, -0.055029478343267685, -1.006415484608637], [-2.170613455952169, -0.15770102997315535, -1.5223958036356375], [-2.895702070412092, -0.20498481413822175, -1.8232022285963847], [-3.687452614812402, -0.543003880524402, -2.2952030829468533], [-4.206168972149556, -0.3365693935548624, -2.841946351795423], [-5.231288268781064, -0.8024321344988571, -3.40532581256557], [-6.095805742721522, -0.9381144689340173, -3.593752186094848], [-6.297988264542059, -0.7231985020991631, -3.9435579269998406], [-7.10897027952524, -0.8639925998765747, -4.264992629284153], [-8.116238092376772, -1.0123970020855437, -4.96858178622968], [-8.969468878952105, -1.0235782019578692, -5.617282941713933], [-9.839359511108077, -1.2819621078971968, -5.8901943190245625], [-10.181936322525571, -0.9904671991812529, -6.240811384647836]]
Y = [[0.032927114749911154, 0.21320841666565743, -0.23427536580450153], [1.431742605643286, 0.23963850202268067, 0.8438745303679628], [2.908798834568648, 0.7357229001312737, 1.325345683629048], [4.438824821921929, 0.9473643810538429, 2.35038560647864], [5.887201894166226, 1.0302756424934638, 2.964806513433767], [7.409049064480012, 1.3070946380395154, 4.347473875547982], [8.51501831350366, 1.3380108570442941, 4.9533251686263275], [10.57244384646805, 2.31627294094068, 6.028949244604159], [12.22872203222364, 2.1165257564864675, 6.923464021607424], [12.664660419747504, 1.8911363532121173, 7.398432173930664], [14.29235367239137, 2.2098221962551343, 8.000538342827351], [16.327977920399373, 2.643183255720207, 9.257671785118596], [18.081288169620517, 2.968898443090926, 10.221747267811098], [19.754046559146662, 3.051682253577557, 11.244435627784393], [20.466418131910004, 2.644933083198568, 11.752014917896375]]
cca = CCA(n_components=3)
cca.fit(X, Y)
X_transformed, Y_transformed = cca.transform(X, Y)
print(X_transformed)
[[ 1.64277244 0.08237031 0.11724683]
[ 1.41457457 -0.11600721 0.07162219]
[ 1.18686358 0.00666119 0.08822118]
[ 0.94070119 -0.02504267 -0.0112954 ]
[ 0.71314666 0.02919558 0.25990473]
[ 0.46246267 0.05607036 -0.16424275]
[ 0.28625435 -0.09546609 -0.02850206]
[-0.03644528 -0.03407977 -0.55790786]
[-0.30127324 0.12266269 -0.12622283]
[-0.37581414 -0.01941656 -0.0343278 ]
[-0.62900674 0.05973748 0.13448604]
[-0.95400947 0.0082079 -0.05487306]
[-1.23214839 -0.07548718 -0.08864002]
[-1.50031366 0.05776429 0.00665019]
[-1.61776455 -0.0571703 0.38788062]]
print(Y_transformed)
[[ 1.64131294 0.01428169 0.11343087]
[ 1.41330957 -0.06169376 0.06929115]
[ 1.18580457 0.04946041 0.0853499 ]
[ 0.9398609 0.01613582 -0.01092778]
[ 0.71251056 0.06356946 0.25144578]
[ 0.46205587 -0.05371303 -0.15889725]
[ 0.28599564 -0.05298207 -0.02757442]
[-0.03641563 0.02220818 -0.53975 ]
[-0.30099795 0.01004611 -0.12211474]
[-0.37547807 -0.063071 -0.03321056]
[-0.62844374 0.02679924 0.13010901]
[-0.95315959 0.0185694 -0.05308714]
[-1.23105629 0.03726576 -0.08575511]
[-1.49897395 0.01483407 0.00643375]
[-1.61632484 -0.04171028 0.37525653]]
X_transfomed
์ Y_transformed
์ ์ธ ๋ฒ์งธ ์ด ๊ฐ์ ์๊ด ๊ด๊ณ๋ ์ฝ 1์ธ ๋ฐ๋ฉด ๋ ๋ฒ์งธ ์ด ๊ฐ์ ์๊ด ๊ด๊ณ๋ 0.389์ ๋ถ๊ณผํฉ๋๋ค. ๋ฐ๋ผ์ ๋ ๋ฒ์งธ ์ด ๋์ ์ธ ๋ฒ์งธ ์ด์ด ๋ํ๋ ๊ฒ์ผ๋ก ์์ํ์ต๋๋ค.
n_components=2
CCA๋ฅผ ์คํํ๋ฉด ์ฒซ ๋ฒ์งธ์ ๋ ๋ฒ์งธ ์ด์ด ํ์๋์ง๋ง ์ฒซ ๋ฒ์งธ์ ์ธ ๋ฒ์งธ ์ด์ ์์ด์ผ ํฉ๋๋ค.
Linux-4.13.0-16-generic-x86_64-with-Ubuntu-17.10-artful
Python 3.6.3(๊ธฐ๋ณธ๊ฐ, 2017๋
10์ 3์ผ, 21:45:48)
๋ํ์ด 1.14.3
์ฌ์ดํ์ด 1.2.0
์ฌ์ดํท๋ฐ 0.19.1
๋ฌด๋กํ๊ฒ ํ๋ ค๋ ๊ฒ์ ์๋์ง๋ง ์ด ๋ชฉ์ ์ ๋ฌด์์ ๋๊น? ์ ์ด๋ฐ ์ง์ํ๋?
์ผ๋ถ ๋ฐ์ดํฐ์ ๋ ๋ณด๊ธฐ ๊ฐ์ ๊ณต์ ๊ตฌ์ฑ ์์๋ฅผ ๊ฐ์ ธ์ค๊ธฐ ์ํด ์ด ์์ ์ ์ํํ๊ณ ์์ต๋๋ค.
cca๋ฅผ ์ฌ์ฉํ์ฌ ์๊ณ๊ฐ์ ์ค์ ํ๋ ๋ฐฉ๋ฒ