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Questions tagged [tibble]

tibble could refer to an R class (tbl_df class), which is an improved data frame with stricter checking and better formatting. tibble could also refer to an R package providing functions to create and manipulate a tibble.

1309 questions
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Replace values in tibble in R 4.0

I just upgraded to R 4.0.0 from R 3.6.2 and some functionality that I use to replace values in a tibble no longer works. I can't find what I need to do now. Does anyone know the "new" way? library(tidyverse) v <- c(1, 2, 3) w <- c(4, 4) i <- 1 #…
zouth0
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Why does mutating a list-column with a single-element list result in a deep copy?

I was unaware that creating a new list-column with dplyr::mutate() with a single-element list actually deep-copies the element to fill the tibble length (see t3). Why is that? If I specify the correct length explicitly (t4) or pass it when creating…
mjktfw
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Convert a "loadings" object to a dataframe (R)

I am trying to convert an object of type "loadings" to a dataframe in R. However, my attempts to coerce it via as_tibble() or as.data.frame() have not worked. Here is the code: iris_pca <- prcomp(iris[1:4], center = TRUE, scale. =…
Hank Lin
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R: dplyr::lag throws error when trying to lag characters in tibble

I'm getting the following error in R when I try to use the lag function (from the dplyr library) on a column of characters in a tibble: Error in mutate_impl(.data, dots) : Expecting a single string value: [type=logical; extent=1]. This error…
Kimberly Brink
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Elegant way of adding columns on a specific position in a data frame

I have a data.frame with 3 cols: date, rate, price. I want to add columns that come from a matrix, after rate and before price. df = tibble('date' = c('01/01/2000', '02/01/2000', '03/01/2000'), 'rate' = c(7.50, 6.50, 5.54), 'price' =…
Emiliano A. Carlevaro
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Convert data frame row to column names

Is there a quick way (part of the tidyverse API perhaps) to turn a row into column names for a data.frame or tibble, somewhat similar to tibble::column_to_rownames? I realize there are many ways to do this, e.g. somewhat clumsily: > df <-…
saladi
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In RStudio, how to print tibble in quarto/rmarkdown chunk as in console?

When editing quarto/rmarkdown documents, I would like RStudio to display inline tibbles the same way as it does in the console, instead of the paginated default printing. Instead of this: I would much prefer the output from the console: # A tibble:…
Peter H.
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Can't add rows to grouped data frames

This is a follow-up question of this How to add a row to a dataframe modifying only some columns. After solving this question I wanted to apply the solution provided by stefan to a larger dataframe with group_by: My dataframe: df <-…
TarJae
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R gt table formatting: How can I take my long gt table and make it wide?

I would like to take a gt() table and transform it to a "wide" format instead of a "long" format by group level. So for, as an example using the iris data set: library(dplyr) library(gt) iris %>% group_by(Species) %>% …
igutierrez
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dplyr new version 1.0.0 eliminate tbl_cube function and I found no replace of it

I work with multiple dimensional arrays and when I need to plot I usually convert my data to a tibble through tbl_cube to then plot it with ggplot2. Today the new dplyr 1.0.0 was updated to CRAN, and I found that now tbl_cube is no more available.…
Santiago I. Hurtado
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mlogit.data() Error: Assigned data `ids` must be compatible with existing data

I have been working hours on that and I simply cannot find any solution to the problem. Hopefully someone here can help. I'm trying to create a personal choice matrix for some data with the following structure: # A tibble: 2,152 x 32 age choice…
Daniel Patkovic
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Merge rows in tibble

I'd like to list all Functions my package in a table. So far I extracted all functions and title from the packages help docs library(magrittr) package_info <- library(help = magrittr)$info[[2]] package_info_tbl <- package_info %>% …
Thomas
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ifelse() function - refer to the following day

I have a dataframe with 2 columns: the date and the return. df <- tibble( date = lubridate::today() +0:9, return= c(1,2.5,2,3,5,6.5,1,9,3,2)) And now I want to add a third column with an ifelse-condition. If the return on day t is higher than 3.5,…
TobKel
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R: dplyr and row_number() does not enumerate as expected

I want to enumerate each record of a dataframe/tibble resulted from a grouping. The index is according a defined order. If I use row_number() it does enumerate but within group. But I want that it enumerates without considering the former…
giordano
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Combining column values with column names using tidyr unite

I have a data.frame with several columns: set.seed(1) df <- data.frame(cluster=LETTERS[1:4],group=c(rep("m",2),rep("f",2)),point=rnorm(4),err=runif(4,0.1,0.3)) and I'd add another columns which "\n" concatenates all columns of its respective row,…
dan
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