6.Tibbles.md

Tibbles

• A tidyverse package
• Can be called modern dataframes
• Does Less, Complains more, i.e, forces you to confront problems
• Leads to cleaner more expressive code
• Comes with enhanced print() thus making it easier to use large datasets containing complex objects
• Any function working with dataframes will work with tibbles

• Tibbles: The simple data frame?

  • Never changes type of inputs
  • Never changes the names of variables
  • Never create row names
  • Possible column names are available i.e., can rename column other than respective variable name and with variable rule bending by surroung then with backticks(`)

Transposed Tibble or tribble

• function name tribble()
• customised for data entry in code like column headings defined by formulae or seperated by commas
• Makes it possible to lay out small amount of data in easy to read form
• Comes with refined print()
  • Shows only first 10 rows
  • Shows all columns that fit on the screen
  • Makes it easier to work with large data
  • Each column reports its name and type which is similar to str() in dataframes

Resources for tibbles:

• https://r4ds.had.co.nz/tibbles.html
• https://tibble.tidyverse.org

Codes related to Tibbles

#installing tidyverse package before working with tibbles
install.packages("tidyverse")

How to convert to a tibble

library(tibble)
as_tibble(iris) #iris is predeined data frame or data package in R and as_tibble converts dataframe to tibble

How to define a tibble

• As tibble is modern Data Frame it allows you to give uneven length of vectors as input and then it matches the length automatically
• You can have columns as arithmetics of other columns
• You can name your columns anything like emojis(the one made with keyboard combinations), invalid combination of characters, etc

library(tibble)
tibble(
  x = 1:5,
  ` ` = 6,
  `;)` = x + ` `
)

Transposed Tibble or Tribble

• Anything followed by tint(~) is the name of the column

library(tibble)
tribble(~x, ~y, ~z, "a", T, 3.6, "1", F, 5)