Recent questions tagged R

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r - Generating Multiple Plots in ggplot by Factor

I have a data set that I want to generate multiple plots for based on one of the columns. That is, I want to ... , that would be ok as well. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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254 views

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r - dplyr::do() requires named function?

The following works fine: library(dplyr) m <- function(df) { mod <- lm(Sepal.Length ~ Sepal.Width, data = df) ... frames at positions: 1, 2, 3 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - barplot using ggplot2

I have a data set like this: cars trucks suvs 1 2 4 3 5 4 6 4 6 4 5 6 9 12 16 I'm trying to ... do I use facet to produce a different layout? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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431 views

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r - How to change the now deprecated dplyr::funs() which includes an ifelse argument?

Pretty basic but I don't think I really understand the change: library(dplyr) library(lubridate) Lab_import_sql <- Lab_import % ... ", ., "'"))) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - assigning by reference into loaded package datasets

I am in the process of creating a package that uses a data.table as a dataset and has a couple of functions ... datasets, even when not lazy? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Remove lines from color and fill legends

I have a plot with three different legends: one for linetype, one for color, and one for fill. In the color ... still there. Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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471 views

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r - How to add a page break in word document generated by RStudio & markdown

I writing a Word document with R markdown in R Studio. I can get many things, but at the moment I am not ... document that it is not my case. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - What does the error "arguments imply differing number of rows: x, y" mean?

I'm trying to create a plot from elements of csv file which looks like this: h1,h2,h3,h4 a,1,0,1,0 b,1, ... , "row.names"), check.rows= FALSE) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Collapse intersecting regions

I am trying to find a way to collapse rows with intersecting ranges, denoted by "start" and "stop" ... help would be extremely appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How to overlay two geom_bar?

I'm trying to overlay 2 the bars from geom_bar derived from 2 separate data.frames. dEQ lab perc 1 lmP 55.9 2 ... and I want to have a legend. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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286 views

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r - Programming-safe version of subset - to evaluate its condition while called from another function

As subset() manual states: Warning: This is a convenience function intended for use interactively I learned from ... called by another function? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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325 views

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r - Extracting a random sample of rows in a data.frame with a nested conditional

This question builds from the SO post found here and uses code that was modified from a post on the R-help mailing ... NA NA NA NA <NA> Thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Reading information from a password protected site

I have been using readLines() to scrape information from a website in an R tutorial. I now ... en&framename=mainright&output=alldomains Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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372 views

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r - Reading a CSV file organized horizontally

In R, is there a function like read.csv that reads in files where the headers are on the left (or right) ... of the original data and so forth. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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249 views

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r - Create barplot from data.frame

In R I have a data.frame like the one on the top of the picture. Is there a possibility to create a barplot like below ... X3 X1 X2 X3 x1 A B C See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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386 views

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r - Regex return file name, remove path and file extension

I have a data.frame that contains a text column of file names. I would like to return the file name ... dependent on a specific file extension. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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395 views

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r - Subsetting a matrix by row.names

I have a matrix with the following row.names: "X1" "X5" "X33" "X37" "X52" "X566" Now I want to ... How can I perform subsetting in this way? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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254 views

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r - How do I set what plot() labels the x-axis with?

I have a plot() that I'm trying to make, but I do not want the x-values to be used as the axis labels.. ... =d$x.names), but that does not work. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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351 views

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r - How to speed up rbind?

I'm supposed to download a table from MS-SQL server. The number of row is larger than 6million. The server ... helpful. Thank you in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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309 views

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r - How to select columns programmatically in a data.table?

I have the following data.table (DT): DT <- data.table(V1 = 1:3, V2 = 4:6, V3 = 7:9) I would ... . Anybody able to advise on the correct syntax? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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268 views

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r - ggplot2: add line for average per group

library(ggplot2) orderX <- c("A" = 1, "B" = 2, "C" = 3) y <- rnorm(20) x <- as.character(1:20 ... I do use reorder, it doesn't work anymore. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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335 views

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r - Get the size of the window in Shiny

I Would like to determine the size of the browser window in Shiny to help me layout my plot divs better ... clientData structure. Any thoughts? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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275 views

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r - Split a string every 5 characters

Suppose I have a long string: "XOVEWVJIEWNIGOIWENVOIWEWVWEW" How do I split this to get every 5 characters followed ... be something better no? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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454 views

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r - Sum of two Columns of Data Frame with NA Values

I have a data frame with some NA values. I need the sum of two of the columns. If a value is NA, ... problem. Any help would be appreciated! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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378 views

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r - What are the differences between concatenating strings with cat() and paste()?

What are the differences between concatenating strings with cat and paste? In particular, I have the following questions. ... 4" "Grade 5" See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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329 views

1 answer

r - Stop lapply from printing to console

When I use lapply and print to the console it prints unwanted [[i]]NULL though I want the intended message to ... : hello 1 hello 2 hello 3 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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238 views

1 answer

r - Nested if else statements over a number of columns

I have a large data.frame where the first three columns contain information about a marker. The remaining ... appreciated! Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

1 answer

r - Add data to ggvis tooltip that's contained in the input dataset but not directly in the vis

This is my input dataset: > names(breakingbad.episodes) [1] "season" "episode" "epnum" "epid" "title" [ ... %>% add_tooltip(all_values, "click") See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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