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    Python 튜토리얼

    Lv2 튜닝 1/4 python 파이썬 랜덤포레스트 변수중요도 확인

    DACON.edu
    2021.07.01 19:37 9,262 Views
    comments 84

    fit() 으로 모델이 학습되고 나면 feature_importances_ 속성(attribute) 으로 변수의 중요도를 파악할 수 있습니다.


    변수의 중요도란 예측변수를 결정할 때 각 피쳐가 얼마나 중요한 역할을 하는지에 대한 척도입니다.


    변수의 중요도가 낮다면 해당 피쳐를 제거하는 것이 모델의 성능을 높일 수 있습니다.


    model.feature_importances_


    [Colab 실습 링크]


    ⬅️ Lv2 모델링 2/2 랜덤포레스트를 평가척도에 맞게 학습 /

    Lv2 튜닝 2/5 변수 제거 ➡️

    ↩️ 오늘의 파이썬 리스트


    #데이콘 #데이콘_101 #파이썬 #머신러닝 #딥러닝 #인공지능 #앙상블 #의사결정나무 #코랩 #데이터 #데이터분석 #판다스 #넘파이 #데이터사이언티스트 #AI #Python # Pandas #Numpy #lightgbm #read_csv #DACON #kaggle #sckit-learn

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    정장입고시퍼요
    2021.08.02 15:50

    done

    분석을할상인가
    2021.08.05 23:57

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    그린티
    2021.09.02 13:56

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    phu
    2021.09.06 20:58

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    DSJY
    2021.09.08 18:10

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    매미인턴
    2021.09.09 16:21

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    다욤
    2021.09.12 18:47

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    찬찬이
    2021.09.24 14:31

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    changhyeon
    2021.09.29 20:42

    done

    왼쪽눈썹왁싱
    2021.10.27 13:59

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    coddinggoldfish
    2021.11.15 22:47

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    yulia.
    2021.11.16 20:50

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    cberrys
    2021.11.16 23:02

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    sunnydays
    2021.11.27 13:29

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    도톤
    2021.12.07 09:46

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    지금노플
    2021.12.08 09:32

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    sotanfdl
    2021.12.09 18:24

    done

    Hod0ri
    2021.12.09 19:23

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    비회원
    2021.12.13 00:02

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    Dataseeker
    2021.12.17 12:49

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    River-T
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    녹삭
    2021.12.18 22:15

    done

    moran
    2021.12.27 14:41

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    s_nana
    2021.12.28 10:00

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    암냠냠
    2021.12.29 00:41

    done

    MMMMMMMMMMMMMMMMMMMM
    2021.12.31 18:41

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    하랴랴
    2022.01.05 16:11

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    201702018
    2022.01.05 16:46

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    cm
    2022.01.05 22:47

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    inuin
    2022.01.14 19:36

    done

    jj150618
    2022.01.16 23:28

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    dbnoid
    2022.01.18 18:45

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    hijihyo
    2022.01.18 22:49

    done

    djffjdEndEkd
    2022.01.22 19:32

    done

    호랭이띠
    2022.01.27 20:49

    done

    확통
    2022.02.04 16:39

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    찹쌀아빠
    2022.02.09 20:01

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    ChimChim
    2022.02.11 01:47

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    일렁
    2022.02.16 18:41

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    하랴랴
    2022.02.28 15:52

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    acebed
    2022.03.10 17:58

    done

    하얀레몬
    2022.03.15 11:00

    done

    으아아아악
    2022.03.16 15:10

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    kimgugu
    2022.03.16 19:44

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    졔이
    2022.03.17 21:55

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    비회원
    2022.04.05 14:24

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    Kdata
    2022.04.06 17:59

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    코딩백수
    2022.04.22 03:56

    done

    pp.m
    2022.05.13 12:29

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    KIM2327
    2022.05.16 09:08

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    krooner
    2022.05.19 13:07

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    김현배
    2022.05.29 02:19

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    즈즈
    2022.05.30 16:29

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    이쑤
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    그린이
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    jaka
    2022.06.06 17:45

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    dnd404
    2022.06.29 17:08

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    Y2J
    2022.07.04 16:48

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    MINKYU
    2022.07.20 02:08

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    nigel
    2022.07.21 09:58

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    whdgus928
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    우주인
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    SauberHands
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    slave
    2022.08.11 11:26

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    간지나는패션
    2022.08.11 22:45

    done

    굿전
    2022.08.30 15:30

    완료

    준용_Choi
    2022.09.07 12:39

    done

    재상쓰
    2022.09.19 11:23

    done

    skanehfud279
    2022.09.20 17:06

    ✅

    지수98
    2022.10.05 10:31

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    Tica
    2022.10.06 22:04

    이 코드에서 적용된 중요도 계산의 방식을 알 수 있을까요?

    엿장수
    2022.10.10 17:25

    ✅

    gnt0000
    2022.10.27 21:49

    done

    sk100
    2022.11.01 09:38

    done

    yun_
    2022.11.03 20:43

    done

    savvyall
    2022.11.28 19:47

    done

    유정잉
    2023.01.05 18:21

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    ickhwan
    2023.01.11 16:58

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    ickhwan
    2023.01.11 16:58

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    highllight
    2023.01.12 09:45

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    저예요저
    2023.02.28 18:58

    ✅

    김시옷
    2023.05.29 17:10

    done+
    mse->squared error

    johnchoi44
    2023.06.02 14:29

    done

    wjdwltn11
    2023.11.24 21:13

    ✅

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    Lv2 모델링 2/2 python 파이썬 랜덤포레스트를 평가척도에 맞게 학습
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