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測試任務(一)

資料夾 data sci paper 提供六篇 Papers。

文件一、二先看過,根據以下問題寫 docx。若對於自然語言處理感興趣,參考文件三。

[Basic]

  • What is PCA, 原理是什麼,怎麼運作的?

  • What is SVD, 原理是什麼,怎麼運作的?

  • What is the SVD++, 原理是什麼,怎麼運作的?

  • What is CF,原理是什麼,怎麼運作的?

文件四、五、六,擇其中 1 ~ 2 篇,提供 A4 one page 長度內,回覆該 paper 所提出的價值點。

[Advance]

推薦系統如何把時間因素考量進去?可參考文件一、文件二或不限定可提供其他研究發表回答。


測試任務(二)

請根據以下任務需求,評估完成此測試任務的時間。

任務需求1:情緒預測模型

Dataset 為 Ch_trainfile_Sentiment_3000.txt

請使用svm進行情緒預測模型。另外,請再想任何一個模型要能比svm好,用相同資料當驗證。

  • Input:句子 or 一個段落

  • Output:-2, -1, 0, 1, 2

建議採用 5-fold cross validation,回覆數據是多少。

如:用 SVM 做完 5-fold cross validation 後的精準度為 80.12%

任務需求2:recommendation task

Dataset 為 rs.csv

Columns: (user:顧客/會員編號, item:商品編號, qty:交易量, datetime:交易時間)

  1. 建模預測顧客購買行為(顧客-> List[商品])

  2. 自行split dataset:5-Fold CV + testSet,實現驗證方式。

  3. 以AUC呈現驗證結果。

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