# Which R&B singer has won 10 Grammys?

## What is which () in R?

The which() function in R **returns the position or the index of the value which satisfies the given condition**. The Which() function in R gives you the position of the value in a logical vector. The position can be of anything like rows, columns and even vector as well.

## What is the symbol for or in R?

R Logical Operators

Operator | Description |
---|---|

& | Element-wise logical AND |

&& | Logical AND |

| | Element-wise logical OR |

|| |
Logical OR |

## What is as logical in R?

as. logical() function in R Language is used to **convert an object to a logical vector**.

## What is Arr Ind in R?

arr.ind. **a logical value**. If FALSE (the default), and x is a matrix or an array, which returns vector indices of TRUE values of x. If TRUE, and x is a matrix or an array, which returns a length(x) by length(dim(x)) matrix of the row, column, etc.

## What does %% do in R?

What is the double percent ( %% ) used for in R? From using it, it looks as if it **divides the number in front by the number in back of it as many times as it can and returns the left over value**.

## What does == mean in R?

Equality Operator

The **Equality Operator** ==

Relational operators, or comparators, are operators which help us see how one R object relates to another. For example, you can check whether two objects are equal (equality) by using a double equals sign == .

## What is the difference between and || R?

The short form ( | ) operates element-wise on vectors and returns a vector of the same size as the input vectors. If necessary it recycles the shorter vector. The long form ( || ) only considers the first element of each vector and returns a logical vector of length one.

## What does ‘~’ mean in R?

**Tilde operator is used to define the relationship between dependent variable and independent variables in a statistical model formula**. The variable on the left-hand side of tilde operator is the dependent variable and the variable(s) on the right-hand side of tilde operator is/are called the independent variable(s).

## What means %>% in R?

Quote from video:

## What does Unclass do in R?

unclass **returns (a copy of) its argument with its class attribute removed**. (It is not allowed for objects which cannot be copied, namely environments and external pointers.) inherits indicates whether its first argument inherits from any of the classes specified in the what argument.

## How does Cbind work in R?

cbind() function in R Language is **used to combine specified Vector, Matrix or Data Frame by columns**. deparse. level: This value determines how the column names generated. The default value of deparse.

## What is returned by the statement which sample in R?

The sample() function in R allows you to take a random sample of elements from a dataset or a vector, either with or without replacement.