問題文
The age column holds minus one for eleven percent of accounts and zero for another two percent. The manual of the source system says that minus one stands for not supplied. What should the intake stage do?
選択肢
- The intake stage identifies the rounded values in the age column and performs the aggregation step before any statistic appears in the documentation.
- The intake stage identifies the coded values in the age column and performs the aggregation step before any statistic appears in the documentation.
- The intake stage identifies the coded values in the age column and performs the recoding step before any statistic appears in the documentation.
- The intake stage identifies the rounded values in the age column and performs the recoding step before any statistic appears in the documentation.