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Essential R Programming for Absolute Beginners - 1768563985826

bookUnderstanding Vectors

Note
Definition

A vector is a data structure that stores multiple values of the same type in a single variable.

Creating Vectors

To create a vector, use the c() function and separate values with commas:

12
vec <- c(1, 2, 3) vec
copy

Type Coercion in Vectors

Vectors must be homogeneous, so you cannot mix integers, logical values, and text in the same vector. If you include different data types in the same vector, R will convert all elements to a single common type.

Example

1
c(2, TRUE, "some text")
copy
Tarea

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Explore how R determines the data type of a vector when elements of different types are combined:

  1. Display the vector containing the elements 0, 10.5, and 20 (in that order).
  2. Display the vector containing the elements 1, 2.5, and 5 + 10i (in that order).
  3. Display the vector containing the elements 2.5, TRUE, and 5 (in that order).
  4. Display the vector containing the elements FALSE, 25.5, and 'R' (in that order).

Solución

¿Todo estuvo claro?

¿Cómo podemos mejorarlo?

¡Gracias por tus comentarios!

Sección 1. Capítulo 15
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bookUnderstanding Vectors

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Note
Definition

A vector is a data structure that stores multiple values of the same type in a single variable.

Creating Vectors

To create a vector, use the c() function and separate values with commas:

12
vec <- c(1, 2, 3) vec
copy

Type Coercion in Vectors

Vectors must be homogeneous, so you cannot mix integers, logical values, and text in the same vector. If you include different data types in the same vector, R will convert all elements to a single common type.

Example

1
c(2, TRUE, "some text")
copy
Tarea

Swipe to start coding

Explore how R determines the data type of a vector when elements of different types are combined:

  1. Display the vector containing the elements 0, 10.5, and 20 (in that order).
  2. Display the vector containing the elements 1, 2.5, and 5 + 10i (in that order).
  3. Display the vector containing the elements 2.5, TRUE, and 5 (in that order).
  4. Display the vector containing the elements FALSE, 25.5, and 'R' (in that order).

Solución

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¿Todo estuvo claro?

¿Cómo podemos mejorarlo?

¡Gracias por tus comentarios!

Sección 1. Capítulo 15
single

single

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