Question

Which of the following is the most common problem with messy data? (a) Column headers are values (b) Variables are stored in both rows and columns (c) A single observational unit is stored in multiple tables (d) All of the mentioned The question was asked in my homework. Question is taken from Tidy Data in section Getting Data of Data Science Select the correct answer from above options Data Science questions and answers, Data Science questions pdf, Data Science question bank, Data Science questions and answers pdf, mcq on Data Science pdf, Data Science questions and solutions, Java mcq Test , Interview Data Science questions, Data Science Questions for Interview, Data Science MCQ (Multiple Choice Questions),Core Data Science Questions, Core Data Science MCQ,core Data Science interview questions for experiencedcore Data Science interview questions for 3 years experience,Data Science programming questions,core Data Science interview questions for freshers,Data Science interview questions and answers for freshers, Data Science programming questions and answers pdf, Data Science interview questions for beginners

Answer 1

Right answer is (d) All of the mentioned To explain I would say: Real datasets can, and often do, violate the three precepts of tidy data in almost every way imaginable.