Introduce 25 percent missing values in this ‘iris’ dataset and impute the ‘Sepal.Length’ column with ‘mean’ and the ‘Petal.Length’ column with ‘median.’
题目类型: 技术面试题
这是一道技术面试题,常见于澳洲IT公司面试中。
难度: hard
标签: Data Science
参考答案摘要
To introduce missing values, we will be using the missForest package: `` library(missForest) `` Using the prodNA function, we will be introducing 25 percent of missing values: ``` Iris.mis<-prodNA(iri...
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