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Aprende Understanding Data Frames | Section
Essential R Programming for Absolute Beginners - 1768563985826

bookUnderstanding Data Frames

Note
Definition

A data frame is a two-dimensional data structure similar to a matrix, but with one key difference: a data frame can store different data types in its columns.

Main Properties

  • Like matrices, each element in a data frame is located at the intersection of a row and a column;
  • Unlike matrices, columns in a data frame must always have names;
  • Data frames are commonly used for storing datasets in R, where different columns represent variables of different types.

Built-in Datasets

R provides many built-in datasets, some stored as matrices (only numeric data) and others as data frames (mixed data types).

Tarea

Swipe to start coding

Explore the built-in mtcars dataset:

  1. Use the class() function to output the class of the mtcars.
  2. Output the mtcars data frame.

Solución

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Sección 1. Capítulo 34
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bookUnderstanding Data Frames

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Note
Definition

A data frame is a two-dimensional data structure similar to a matrix, but with one key difference: a data frame can store different data types in its columns.

Main Properties

  • Like matrices, each element in a data frame is located at the intersection of a row and a column;
  • Unlike matrices, columns in a data frame must always have names;
  • Data frames are commonly used for storing datasets in R, where different columns represent variables of different types.

Built-in Datasets

R provides many built-in datasets, some stored as matrices (only numeric data) and others as data frames (mixed data types).

Tarea

Swipe to start coding

Explore the built-in mtcars dataset:

  1. Use the class() function to output the class of the mtcars.
  2. Output the mtcars data frame.

Solución

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¿Todo estuvo claro?

¿Cómo podemos mejorarlo?

¡Gracias por tus comentarios!

Sección 1. Capítulo 34
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single

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