Recent questions tagged R

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r - How to change the default font size in ggplot2

I'd like to know if it is possible to change some default parameters of ggplot2 graphics, like font size for ... setting them for each plot. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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612 views

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r - increase legend font size ggplot2

Is there a way to increase the font size in ggplot2? I think I need to specify something like legend.key.width ... not the font sizes. Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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333 views

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r - How to specify names of columns for x and y when joining in dplyr?

I have two data frames that I want to join using dplyr. One is a data frame containing first names. test_data < ... to get this working first.) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Get type of all variables

In R, I'd like to retrieve a list of global variables at the end of my script and iterate over them. Here ... of variable inside the for loop? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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348 views

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r - Delete rows with blank values in one particular column

I am working on a large dataset, with some rows with NAs and others with blanks: df <- data.frame(ID ... similar command to remove the blanks? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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478 views

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r - Persistent invalid graphics state error when using ggplot2

I believe my dataframe is okay and my code is okay. In fact, I have eliminated parts of the dataframe and most ... geom_point(aes(group = trt)) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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443 views

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r - Fixing a multiple warning "unknown column"

I have a persistent multiple warning of "unknown column" for all types of commands (e.g., str(x) to ... is simply a character vector). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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365 views

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r - Simple manual RMarkdown tables that look good in HTML, PDF and DOCX

How can I manually and simply format a table in RMarkdown that will look good when converted to HTML (using the ... highlight-style=tango -S")) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Screening (multi)collinearity in a regression model

I hope that this one is not going to be "ask-and-answer" question... here goes: (multi)collinearity ... occurs in a regression model. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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398 views

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r - remove all variables except functions

I have loaded in a R console different type of objects. I can remove them all using rm(list=ls()) ... remove all variables except the functions See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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418 views

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r - Is there a table or catalog of aesthetics for ggplot2?

I am new to ggplot2 and have been trying to find a comprehensive list of aesthetics. I think I understand ... very helpful reference as well. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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482 views

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r - Change size of axes title and labels in ggplot2

I have a really simple question, which I am struggling to find the answer to. I hoped someone here might be ... axes titles and the axes labels. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - remove kernel on jupyter notebook

How can I remove a kernel from jupyter notebook? I have R kernel on my jupyter notebook. Recently kernel always dies ... I open a new notebook. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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329 views

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r - Sum by two variables

I have one dataframe: Date area sales 1 201204 shanghai 23 2 201204 beijing 25 3 201204 beijing 16 4 201205 shanghai ... would I do this in R? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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489 views

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r - Customizing the sankey chart to cater large datasets

kindly run the script below, I have created a Sankey chart in R and plotly using data from "patients" ... node=trace1$node, type=trace1$type) p See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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311 views

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r - Filter based on number of distinct values per group

I have the following df: names sex adam M jill F stewart M jordan M alica F jordan F How do I filter the rows ... and F, in this case, jordan. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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540 views

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r - Fill area between multiple lines in plot

I have got a plot with 3 lines as follows: a = data.frame(time = c(1:100), x = rnorm(100)) b = ... use it in this case. Any suggestion? thanks See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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410 views

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r - How many non-NA values in each row for a matrix?

I have a matrix(raster) that I am computing the the mean of each row in this raster as: library (raster) r <- ... not be the same in each row. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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563 views

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r - Lookup values corresponding to the closest date

I have a data.frame x with date and Value x = structure(list(date = structure(c(1376534700, 1411930800, 1461707400, ... , class = "data.frame") See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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421 views

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r - Subset dataframe such that all values in each row are less than a certain value

I have a dataframe with a dimension column and 4 value columns. How can I subset the column such that all 4 columns for each ... 0.2 0.7 0.3 0.4 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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651 views

1 answer

r - library(pryr) returns a message. Registered S3 method overwritten by 'pryr': method from print.bytes Rcpp

When I active a package called pryr. It returns a message library(pryr) Registered S3 method overwritten by ' ... only one time each session. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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338 views

1 answer

r - Convert data frame into vector

I have a one row/column dataframe that I would like to convert into a value. df <- data.table(x=c(300)) > ... I couldn't find a solution. Help? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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431 views

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r - Using ggplot for scattering dots

I got the following dataset: Name Year-Month Value A 2002-01 -3.45 A 2003-02 2.87 A 2004-05 1.78 A ... this with ggplot2 or any other package? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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458 views

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r - Clustering algorithm for obtaining equal sized clusters

I am trying to form clusters around medoids using PAM algorithm in R. Is there anyway of fixing the cluster size ... in advance for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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477 views

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r - Hyperlink bar chart in Highcharter

I'm having trouble recreating this answer in R with Highcharter to make the bars in a bar chart into clickable URLs. Here ... ", y = 106.4) ) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

369 views

1 answer

r grep by regex - finding a string that contains a sub string exactly one once

I am using R in Ubuntu, and trying to go over list of files, some of them i need and some of them i don't ... t need words such as "aca" Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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452 views

1 answer

r - Add multiple curves / functions to one ggplot through looping

I want to add multiple curves to one ggplot. With the normal plot and curve(add=TRUE) i can loop the ... just don't understand ggplot here See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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518 views

1 answer

r - Reshaping dataset

I am just wondering if you could guide me to the right direction about how can I reshape a dataset based on a specific ... .names = c(NA, -12L)) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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