갈루아의 반서재

Data Preparation (20) - Review (전체코드)
Data Preparation (19) - Prepare (Save Dataset)
Data Preparation (18) - Prepare (Numeric and Categoric Variables)
Data Preparation (17) - Prepare (Variables)
Data Preparation (10) - Clean (Identify Correlated Variables)
Data Preparation (16) - Clean (Ensure Target is Categoric)
Data Preparation (15) - Clean (Normalise Factors)
Data Preparation (14) - Clean (Omitting Observations)
Data Preparation (13) - Clean (Deal with Missing Values)
Data Preparation (12) - Clean (Remove Missing Target)
Data Preparation (11) - Clean (Feature Selection)
Data Preparation (10) - Clean (Remove the Variables)
lower.tri / upper.tri
Correlation : cor()
apply function (apply/lappy/sapply)
Data Preparation (9) - Clean (Deal with Missing Values)
Data Preparation (8) - Clean (Ignore MultiLevel, Constants)
Data Preparation (7) - Clean (Ignore IDs, Outputs, Missing)
Data Preparation (6) - Review (Variable Roles)
Data Preparation (5) - Review (Data Formats)
Data Preparation (4) - Review (Meta Data Cleansing)
Data Preparation (3) - Review (Observations, Structure, Summary)
Data Preparation (2) - Table Data Frame (tbl_df)
Data Preparation (1) - Load (Dataset, Generic Variables)
01. Rattle 설치 및 실행
16. 워드 클라우드 Word Clouds - 옵션
15. 워드 클라우드 Word Clouds
14. 워드 출현빈도 그래프로 나타내기 Plotting Word Frequencies
13. 상관관계 그래프로 보여주기 Correlations Plots
12. 등장빈도 및 단어간 상관도에 의거한 term 조회 Identifying Frequent Items and Associations