开发者:上海品职教育科技有限公司 隐私政策详情

应用版本:4.2.11(IOS)|3.2.5(安卓)APP下载

SHAO · 2023年11月05日

老师,请问第4行

NO.PZ2015120204000041

问题如下:

Steele begins building a model that combines the structured financial data and the sentiment data. She starts with cleansing and wrangling the raw structured financial data. Exhibit 1 presents a small sample of the raw dataset before cleansing: Each row represents data for a particular firm.

Exhibit 1 Sample of Raw Structured Data Before Cleansing


What type of error appears to be present in the IPO Date column of Exhibit 1?

选项:

A.

invalidity error.

B.

inconsistency error.

C.

non-uniformity error.

解释:

C is correct. A non-uniformity error occurs when the data are not presented in an identical format. The data in the “IPO Date” column represent the IPO date of each firm. While all rows are populated with valid dates in the IPO Date column, the dates are presented in different formats (e.g., mm/dd/yyyy, dd/mm/yyyy).

老师,请问第4行,interest expense=1.5,但debt=0,这不是冲突吗,所以选了inconsistency

1 个答案
已采纳答案

星星_品职助教 · 2023年11月05日

同学你好,

本题要求看的是“in the IPO Date column”,不需要去看interest expense和debt这两列。其余列的冲突和本题无关。