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Last updated on 25th Sep 2020, Uncategorized

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Questions & Answers

Questions & Answers

Questions & Answers

Questions & Answers

Questions & Answers

Here is a list of Top 50 R Interview Questions and Answers you must prepare. This blog covers all the important questions which can be asked in your interview on R. These R interview questions will give you an edge in the burgeoning analytics market where global and local enterprises, big or small, are looking for professionals with certified expertise in R.

Data StructureDescription
VectorA vector is a sequence of data elements of the same basic type. Members in a vector are called components.
ListLists are the R objects which contain elements of different types like − numbers, strings, vectors or another list inside it.
MatrixA matrix is a two-dimensional data structure. Matrices are used to bind vectors from the same length.  All the elements of a matrix must be of the same type (numeric, logical, character, complex).
DataframeA data frame is more generic than a matrix, i.e different columns can have different data types (numeric, character, logical, etc). It combines features of matrices and lists like a rectangular list.
  • > students <- c(“s1″,”s2″,”s1″,”s3″,”s3″,”s2”)
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