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长颈鹿大姐 · 2020年06月20日

问一道题:NO.PZ2015120204000039

问题如下:

Schultz and Steele meet to discuss plans for incorporating the sentiment data into a ML model. They discuss the differences in the steps between building ML models that use traditional structured data and building ML models that use textual big data. Steele tells Schultz:

Statement 1 The second step in building text-based ML models is text preparation and wrangling, whereas the second step in building ML models using structured data is data collection.

Statement 2 The fourth step in building both types of models encompasses data/text exploration.

Which of Steele’s statements relating to the steps in building structured databased and text-based ML models is correct?

选项:

A.

Only Statement 1 is correct.

B.

Only Statement 2 is correct.

C.

Statement 1 and Statement 2 are correct

解释:

B is correct. The five steps in building structured data-based ML models are: 1) conceptualization of the modeling task, 2) data collection, 3) data preparation and wrangling, 4) data exploration, and 5) model training. The five steps in building text-based ML models are: 1) text problem formulation, 2) data (text) curation, 3) text preparation and wrangling, 4) text exploration, and 5) model training. Statement 1 is incorrect: Text preparation and wrangling is the third step in building text ML models and occurs after the second data (text) curation step. Statement 2 is correct: The fourth step in building both types of models encompasses data/text exploration.

请问讲义有好多种顺序,答案中的顺序是在讲义哪里?

1 个答案

星星_品职助教 · 2020年06月21日

同学你好,

这道题可以参照讲义里的这张图,随后的文字解释就是围绕这个顺序展开的。也可以把这个答案解析当做一个更简练的文字总结。


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2023-04-11 00:55 1 · 回答

NO.PZ2015120204000039 ta-curation是什么意思?

2021-03-02 01:14 2 · 回答

老师,要记答案的这些顺序呀?这怎么记住😭😭😭

2020-01-06 16:31 1 · 回答