用 Python 建立推薦引擎
Rob O'Callaghan
Director of Data


| 項目 | 屬性 1 | 屬性 2 | 屬性 3 | 屬性 4 |
|---|---|---|---|---|
| Item_001 | 0 | 1 | 1 | 0 |
| Item_002 | 1 | 0 | 1 | 0 |
| Item_003 | 0 | 1 | 0 | 1 |
| 書名 | 類型 |
|---|---|
| The Hobbit | Adventure |
| The Hobbit | Fantasy |
| The Great Gatsby | Tragedy |
| ... | ... |
| 書名 | Adventure | Fantasy | Tragedy | ... |
|---|---|---|---|---|
| The Hobbit | 1 | 1 | 0 | ... |
| The Great Gatsby | 0 | 0 | 1 | ... |
| ... | ... | ... | ... | ... |
pd.crosstab( , )
pd.crosstab(book_genre_df['Book'], book_genre_df['Genre'])
| 書名 | Adventure | Fantasy | Tragedy | Social commentary |
|---|---|---|---|---|
| The Hobbit | 1 | 1 | 0 | 0 |
| The Great Gatsby | 0 | 0 | 1 | 1 |
| A Game of Thrones | 0 | 1 | 0 | 0 |
| Macbeth | 0 | 0 | 1 | 0 |
| ... | ... | ... | ... | ... |
用 Python 建立推薦引擎