부스트캠프 AI Tech RecSys

1.부스트캠프 AI Tech 1일차

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2.부스트캠프 AI Tech 2일차

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3.PCA & Whitening

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4.RNN Issues

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5.checkout, reset

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6.merge

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7.pull/push

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8.Feature Attribution & Data Attribution

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9.Data Attribution 방법론

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10.Gibbs Sampling

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11.MICE(Multiple Imputation by Chained Equations)

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12.Boosting 기법

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13.Level-wise Tree Growth VS Leaf-wise Tree Growth

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14.LightGBM(Light Gradient Boosting Machine)

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15.선형 회귀 정규화(Lasso, Ridge)

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16.교차 검증(Cross-validation)

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17.모델의 편향과 분산, 배깅과 부스팅

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18.교차검증 앙상블 (Cross-Validation Ensemble) & 스태킹 앙상블 (Stacking Ensemble)

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19.하이퍼파라미터 최적화 (Hyperparameter Optimization)

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20.선형 회귀의 가정 - ­잔차의 정규성

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21.선형 회귀의 가정 - 등분산성

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22.클러스터링(Clustering)

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23.Haversine

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24.Retrieval 기법

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25.Faiss

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26.추천시스템의 평가 지표

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27.인기도 기반 추천

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