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.
Questions tagged [tibble]
1309 questions
6
votes
1 answer
Sequential evaluation of named arguments in R
I am trying to understand how to succinctly implement something like the argument capture/parsing/evaluation mechanism that enables the following behavior with dplyr::tibble() (FKA dplyr::data_frame()):
# `b` finds `a` in previous…
lefft
- 2,065
- 13
- 20
5
votes
3 answers
Read whitespace-delimited Stack Overflow data with row numbers directly into R
Often Stack Overflow R questions can share sample data that is just data.frame output as such, instead of dput:
id cate result
1 1 yes 1
2 1 yes NA
3 1 no NA
4 2 no NA
5 2 yes 1
6 2…
dcsuka
- 2,922
- 3
- 6
- 27
5
votes
3 answers
Transpose a tibble
I have this tibble:
tibble(Cor = c("Linear", "Rank"),
`a,b` = c("x1","x2"),
`b,c` = c("x3","x4")
)
I want to transpose it into this tibble:
tibble(Cor = c("a,b","b,c"),
Linear = c("x1","x3"),
Rank = c("x2","x4")
)
Is…
GiulioGCantone
- 195
- 1
- 10
5
votes
4 answers
How to add a row to each group and assign values
I have this tibble:
library(tibble)
library(dplyr)
df <- tibble(id = c("one", "two", "three"),
A = c(1,2,3),
B = c(4,5,6))
id A B
1 one 1 4
2 two 2 5
3 three 3 …
TarJae
- 72,363
- 6
- 19
- 66
5
votes
3 answers
How to identify row that matches vector
I want to identify which row matches the information in a vector. As an example, I'll use the iris dataset (in tibble format to better approximate my situation): iris %>% as_tibble(). Then I have a tibble with a single row, which came directly from…
Érico Patto
- 1,015
- 4
- 18
5
votes
4 answers
Convert list of lists into single nested row of a data.frame or tibble (R)
I have a nested list of lists:
data = list(a = list(1, 2, 3), b = list("foo"), c = list("toast", "onions"))
How can I convert this into a single row of a data.frame or tibble? I would like the lists with more than one element (a and c here) to be…
D Greenwood
- 415
- 2
- 11
5
votes
1 answer
What is the error `vec_assign()`: `value` should have been recycled to fit `x`. trying to tell me
I have a function that does some basic web harvesting. This function is called after a successful login. (website has been masked xxxxxx)
Search Function:
search <-function(HorseList){
url <- "http://tnetwork.xxxxxx.com/tnet/HorseSearch.aspx"
s…
Mutuelinvestor
- 3,384
- 10
- 44
- 75
5
votes
2 answers
Applying simple function via across within nested data on each group
Background
Given nested data, I would like to apply a simple function using across on an arbitrary selection of columns. Using across I want to iterate over the selection of columns passed to one argument of the function and keep the second argument…
Konrad
- 17,740
- 16
- 106
- 167
5
votes
4 answers
Embedding a script within a for-loop in R
I have a dataframe in R that looks something like this:
library(tibble)
sample <- tribble(~subj, ~session,
"A", 1,
"A", 2,
"A", 3,
"B", 1,
"B", 2,
"C", 1,
"C",…
Catherine Laing
- 475
- 6
- 18
5
votes
2 answers
How to remove the temporal component in an aggregation of a tsibble object?
I have been working with the tsibble package and I can't get how is the proper way to remove the time component from the aggregation result.
So in the following dataset, I want to have the mean trips by Region and State. Is the proper way to convert…
User2321
- 2,952
- 23
- 46
5
votes
2 answers
How to convert scientific notation to decimal in tibbles?
Although basic, I can't find an answer anywhere: how can I disable scientific notation in tibbles, and have the tibble display decimals instead?
My data
I have a simple tibble, resulted from lm() %>% broom::tidy().
library(tidyverse)
## I used…
Emman
- 3,695
- 2
- 20
- 44
5
votes
4 answers
What is the best way to transform an xts into a tibble
As of tibble package version 2.0.1 what is the best way to convert an xts object into a tibble?
Consider the following example:
library(tibble)
library(xts)
myxts <- xts(matrix(1:4, 2, 2),
order.by = seq.Date(from = as.Date("2019-02-26"),
…
Cettt
- 11,460
- 7
- 35
- 58
5
votes
1 answer
'as.tibble' causes error in tibble 2.0.1 but not 1.4.2
I have written a function part of which converts a matrix to a tibble. This works without issues in tibble 1.4.2 but causes an error in 2.0.1.
The code that causes the error is as follows
library(tibble)
library(magrittr)
testmerge <- matrix( data =…
Jonno Bourne
- 1,931
- 1
- 22
- 45
5
votes
2 answers
dplyr unquoting does not work with filter function
maybe I am missing something, but I can't seem to make dplyr's unquoting operator to work with the filter function. It does with with select, but not with filter...
Example
set.seed(1234)
A = matrix(rnorm(100),nrow = 10, ncol = 10)
colnames(A)…
Jean_N
- 489
- 1
- 4
- 19
5
votes
2 answers
Problem using dplyr on tibbles with vector elements [list columns]
I am running into some problems doing text processing using dplyr and stringr functions (specifically str_split()). I think I am misunderstanding something very fundamental about how to use dplyr correctly when dealing with elements that are…
Angelo
- 2,936
- 5
- 29
- 44