The data.table has a nice feature that suppresses output to the head and tail of the table.
Is it possible to view / print more than 100 rows at once?
library(data.table) ## Convert the ubiquitous "iris" data to a data.table dtIris = as.data.table(iris) ## Printing 100 rows is possible dtIris[1:100, ] ## Printing 101 rows is truncated dtIris[1:101, ]
I often have data.table results that are somewhat large (e.g. 200 rows) that I just want to view.
Extending @BLT's answer, you can set n = Inf to print all rows. print (with a tibble) also has the width = and n_extra = options to control how many columns are printed, either directly or indirectly.
Every language provides some functions that can help you print the data on the console, and R is no different. To print the data on the console in R, use the print() function.
The print method of data.table
has an argument nrows
:
args(data.table:::print.data.table) function (x, nrows = 100L, digits = NULL, ...)
You can use this to control how many rows get printed:
print(dtIris, nrow=105) ..... 99: 5.1 2.5 3.0 1.1 versicolor 100: 5.7 2.8 4.1 1.3 versicolor 101: 6.3 3.3 6.0 2.5 virginica 102: 5.8 2.7 5.1 1.9 virginica 103: 7.1 3.0 5.9 2.1 virginica 104: 6.3 2.9 5.6 1.8 virginica 105: 6.5 3.0 5.8 2.2 virginica Sepal.Length Sepal.Width Petal.Length Petal.Width Species
View()
(as in View(iris)
or View(dtIris[1:120,])
) doesn't truncate data.table
s, and can often be nicer than printing/spewing out a data.*
to the console.
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