Which statement about R is correct? SELECT THE CORRECT ANSWER Character strings are imported as factors by default. Factors are used to represent categorical data and can be unordered or ordered. Neither a nor b is correct. Both a and b are correct.

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability

Falsea long text data type can store a variable amount of text or combination of text and numbers where the total number of characters may exceed 255.