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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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Collapsing ranked information into single column

I have a survey where people rank some schools. The survey results in multiple columns with 1s and 2s. I need to colapse these into a persons first and second choice. Here is an exampe of the data that I have. df1 <- tibble(Person = c(1 , 2 , 3 ,…
Robert Carlisle
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How to execute sum if selection returns no element in R?

I have an if loop over multiple data.frame-s. I subset the data based on one of the variables and sum the entries based on another variable. My problem is that the selection sometimes returns a zero element tibble and so the sum function throws an…
Enoana
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how to import tibble in a package

So I have a function that creates a tibble from a couple of vectors. It works fine but when I try to run devtools::check() to check my package I get the following errors: If I put no @importFrom statement and just a Depends for tidyverse I get the…
Sebastian Zeki
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R: lapply and tibble not working as expected in two loop

I have a set of code that loops through all possible scenarios that I use for a drilldown feature in my shiny application. However, the Level_3_Drilldowns isn't working as expected as I am not getting my defined tibble names. Below is a single…
Kevin
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as_tibble.matrix() failures at tibble 2.0.1

I have the following tibble and I get a warning below. I have tried the .name_repair options but it steel gives a warning. Please advise. > as_tibble(diag(3), validate = TRUE) `as_tibble.matrix()` requires a matrix with column names or a…
SteveS
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Percentage of Duration of deactivation in R

I want to compute the percentage of the durations a system is deactivated. The activation is given in a column "Active" where 1 means Activation and 0 means deactivation. The observations (rows) correspond to different readings from different…
MarGa
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get frequency based on two columns

A snippet of my large dataframe that looks this way : MARKERS.IN.HAPLOTYPES BASE rs. alleles chrom pos GID marker trial 1A.12 C S1A_494392059 C/G 1A 494392059 GID7173723 2 ES26-38 …
moth
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Dplyr's filter function doesn't work after Re-installation of R (3.5.2)

Due to some bug, I had to re-install R and R-studio. I noticed that after the re-installation, some scripts that were running fine previously don't work anymore. For example: d1 <- tibble(Age = sample(seq(100, 200), 50)) (tibble: because apparently…
Omry Atia
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Is it possible to have expressions in dplyr tibbles?

I'm using dplyr, kabble, and kableextra to create some tables in R. I'm converting the tibble outputs from dpylr chains for tables in a report. I'd like to have the rank included as a column in a tibble that I then pipe into a kabble table. Is there…
elliot
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Hour/minute adds one hour from datetime with lubridate

I would like to extract the hour/minute/second from a datetime. Example dataframe: df <- structure(list(Study_date_time_PACS = structure(c(1515146548, 1515146548, 1514970658, 1514970658, 1515151732, 1515151732, 1517476589, 1517476589, 1543848246,…
xhr489
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Distinct in dplyr does not work (sometimes)

I have the following data frame which I have obtained from a count. I have used dput to make the data frame available and then edited the data frame so there is a duplicate of A. df <- structure(list(Procedure = structure(c(4L, 1L, 2L, 3L), .Label…
xhr489
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How to randomly generate observations for a tibble while respecting existing columns types?

Assume I have an empty tibble my_tbl (0 rows) but whose column types are given. For example: library(tibble) library(lubridate) my_tbl <- tibble( x = integer(), y = character(), w = ymd(), z = list() ) How to randomly populate my_tbl…
Ramiro Magno
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Mutate on nested column to results in unsupported class (data.frame)

I currently have a motif search working in a series of for loops and would like to move to a nested tibble to improve speed and simplicity (ish). However, I cannot figure out how to store a tibble within a tibble so I can then unnest it. If that's…
GenesRus
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ifelse changes the results of Jacquard calculated column?

Here is my df: df <- structure(list(keysData_userId = c("28875270", "28875270", "28875270", "28875270", "02745556", "02745556"), userData_ssids = list(list( "pw+eOP8BWvqpqwqsq+4uEw==", "2vqQgSqaNZzVefr57EAFnA==", "DIIwsI+SsRtz38608KdyIQ==", …
SteveS
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How to fix the use of 'nest' to cause a list of list column?

I'm working with a base data frame which contains some information, this information it is used to generate a new column which is a data frame. I have tried to use the map2 function but the results are not good, the closer results to what I expect…
Roga Lu
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