MBA777 - DARRAT EXAM 1 2024 WITH
100% ACCURATE SOLUTIONS
a programming language that runs computations while RStudio is an integrated development
environment (IDE) that provides an interface by adding many convenient features and tools. -
Answer✔✔R
Where you enter in commands. - Answer✔✔Console
The act of telling R to perform an act by giving it commands in the console. - Answer✔✔Running code
Where values are saved in R. We'll show you how to assign values to objects and how to display the
contents of objects. - Answer✔✔Objects
A series of values. These are created using the c() function, where c() stands for "combine" or
"concatenate." For example: c(6, 11, 13, 31, 90, 92). - Answer✔✔Vectors
Categorical data are represented in R as factors. - Answer✔✔Factors
like rectangular spreadsheets: they are representations of datasets in R where the rows correspond to
observations and the columns correspond to variables that describe the observations. - Answer✔✔Data
Frames
TRUE/FALSE statements and mathematical operators such as < (less than), <= (less than or equal), and !=
(not equal to). - Answer✔✔Boolean Algebra
& representing "and" as well as | representing "or." Ex: (2 + 1 == 3) & (2 + 1 == 4) returns FALSE since
both clauses are not TRUE (only the first clause is TRUE). On the other hand, (2 + 1 == 3) | (2 + 1 == 4)
returns TRUE since at least one of the two clauses is TRUE. - Answer✔✔Logical operators:
