Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Login
Remember
Register
Ask
Q&A
All Activity
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
Categories
All categories
Topic[话题] (13)
Life[生活] (4)
Technique[技术] (2.1m)
Idea[创意] (3)
Jobs[工作] (2)
Others[杂七杂八] (18)
Code Example[编程示例] (0)
Recent questions tagged R
0
votes
904
views
1
answer
r - Plotting dose response curves with ggplot2 and drc
In biology we often want to plot dose response curves. The R package 'drc' is really useful and base graphics ... plotted in the same colour? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
445
views
1
answer
r - How to split a character vector into data frame?
I'm still relatively new to R and hope you can again help me. I have a character vector with a length of ... someone help me with this? Thanks! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
386
views
1
answer
r - How to make an overlapping barplot?
Making a barplot the 'standard' way dat <- read.table(text = "A B + 1 1 4 + 2 2 3 + 3 3 2 + 4 4 1", ... like so How can I make such a plot in R? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
382
views
1
answer
r - Performance of rbind.data.frame
I have a list of dataframes for which I am certain that they all contain at least one row (in fact, some contain ... to be as fast as possible. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
373
views
1
answer
r - Extract column name in mutate_if call
I would like to extract the column name in the function call to mutate_if. With this, I then want to look up a value in a ... 8 d # 10 10 2 2 e See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
439
views
1
answer
r - Index element from list in Rcpp
Suppose I have a List in Rcpp, here called x containing matrices. I can extract one of the elements using ... this element to do computations. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
551
views
1
answer
r - Conditional gsub replacement
I have text data (in R) and want to replace some characters with other characters in a data frame. I ... though there is no gsub involved. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
339
views
1
answer
r - Stacke different plots in a facet manner
To train with ggplot and to improve my skills in writing R functions I decided to build a series of functions that ... time, nr)) + geom_area() See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
463
views
1
answer
r - Making a ternary plot
I want to plot the projection of 3-dimensional data on their simplex using ggplot2. I thought I could manage ... are appreciated. Many thanks! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
361
views
1
answer
r - Plot decision boundaries with ggplot2?
How do I plot the equivalent of contour (base R) with ggplot2? Below is an example with linear discriminant ... .e. the decision boundaries). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
348
views
1
answer
r - rCharts with Highcharts as shiny application
I have a shiny application consisting of three files. server.R, ui.R and the file to launch the application with ... but I didn't find anything. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
336
views
1
answer
r - How to sort a matrix by all columns
Suppose I have arr = 2 1 3 1 2 3 1 1 2 How can I sort this into the below? arr = 1 1 2 1 2 3 ... , first by column one, then by column two etc. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
300
views
1
answer
r - Passing by reference a data.frame and updating it with rcpp
looking at the rcpp documentation and Rcpp::DataFrame in the gallery I realized that I didn't know how to modify a ... "] = newCol; return; } See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
729
views
1
answer
r - Remove consecutive duplicates from dataframe
I have a data frame that I want to remove duplicates that are consecutive (in base). I know rle may be helpful here ... C Mar 19 D Apr 20 A Jan See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
507
views
1
answer
r - How to rotate the x-axis labels 90 degrees in levelplot
I'm trying to visualize a correlation map, and I think that I've gotten it to work, except for the jumbling of the ... , labs, xpd=TRUE, srt=90) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
451
views
1
answer
r - Pairwise Correlation Table
I'm new to R, so I apologize if this is a straightforward question, however I've done quite a bit of searching ... to figure out a good way. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
634
views
1
answer
r - ggplot2 aes_string() fails to handle names starting with numbers or containing spaces
If the column names of a data.frame are started with numbers, or have spaces, aes_string() fails to handle them: foo= ... 1st Col`, y=`2nd Col`) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
408
views
1
answer
r - How to retrieve the most repeated value in a column present in a data frame
I am trying to retrieve the most repeated value in a particular column present in a data frame.Here is my ... (Forbes2000,country=="Bermuda") See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
496
views
1
answer
r - Add rows to grouped data with dplyr?
My data is in a data.frame format like this sample data: data <- structure(list(Article = structure(c ... suggestions would be much appreciated! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
466
views
1
answer
r - Use a factor column in "by" and do not drop empty factors
Suppose I have a data.table: x <- data.table(x=runif(3), group=factor(c('a','b','a'), levels=c('a','b','c'))) I ... # 1: a 2 # 2: b 1 # 3: c 0 See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
409
views
1
answer
r - can lapply not modify variables in a higher scope
I often want to do essentially the following: mat <- matrix(0,nrow=10,ncol=1) lapply(1:10, function(i) { ... rule of R that is blocking this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
653
views
1
answer
r Remove parts of column name after certain characters
I have a large data set with thousands of columns. The column names include various unwanted characters as follows: ... this for 5000+ columns? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
475
views
1
answer
r - How does one merge dataframes by row name without adding a "Row.names" column?
If I have two data frames, such as: df1 = data.frame(x=1:3,y=1:3,row.names=c('r1','r2','r3')) ... to remember. Anyone know of a cleaner way? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
914
views
1
answer
r - ggplot2 draw dashed lines of same colour as solid lines belonging to different groups
I am trying to plot 2 solid lines in 2 different colours for each group, but also add dashed lines of the same ... = c("Group1", "Group2")) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
982
views
1
answer
r - Replace characters in column names gsub
I am reading in a bunch of CSVs that have stuff like "sales - thousands" in the title and come into R as ... words when that occurs. Thank you. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
372
views
1
answer
r - Can .SD be viewed from a browser within [.data.table()?
While constructing expressions to put in the j-slot of a [.data.table call, it would often be helpful to be able ... to access the value of .SD? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
427
views
1
answer
r - Is there a way to programmatically darken the color given RGB values?
Let's say I have the RGB values like this (in R, for example): cols <- c("#CDE4F3","#E7F3D3","#F7F0C7","#EFCFE5 ... ? It doesn't have to be R. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
374
views
1
answer
r - What/Where are the attributes of a function object?
By playing around with a function in R, I found out there are more aspects to it than meets the eye. ... there any drawbacks of doing this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
Page:
« prev
1
...
46
47
48
49
50
51
52
53
54
55
56
...
263
next »
Ask a question:
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question
Just Browsing Browsing
[1] python - Create 2d dataframes from 3d dataframe
[2] Saving api secret keys to database django
[3] eggjs 模板渲染nunjucks 部署到docker后 访问路由 报500错误
[4] Android 能否通过Rsa 对File进行加解密?
[5] js 中将直接声明的函数赋值给一个变量时为什么函数会再执行一次
[6] web deployment - 404 Failed to load resource Deploying Flutter Web App to GitHub Pages
[7] angular - Get request returns subscriber when the component asks for it
[8] Summing rows in a Julia DataFrame
[9] Getting error while reading a property after calling a rest service from Angular
[10] 求个正则表达式?
2.1m
questions
2.1m
answers
60
comments
56.9k
users
Most popular tags
javascript
python
c#
java
How
android
c++
php
ios
html
sql
r
c
node.js
.net
iphone
asp.net
css
reactjs
jquery
ruby
What
Android
objective
mysql
linux
Is
git
Python
windows
Why
regex
angular
swift
amazon
excel
algorithm
macos
Java
visual
how
bash
Can
multithreading
PHP
Using
scala
angularjs
typescript
apache
spring
performance
postgresql
database
flutter
json
rust
arrays
C#
dart
vba
django
wpf
xml
vue.js
In
go
Get
google
jQuery
xcode
jsf
http
Google
mongodb
string
shell
oop
powershell
SQL
C++
security
assembly
docker
Javascript
Android:
Does
haskell
Convert
azure
debugging
delphi
vb.net
Spring
datetime
pandas
oracle
math
Django
联盟问答网站-Union QA website
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
在这了问答社区
DevDocs API Documentations
Xstack问答社区
生活宝问答社区
OverStack问答社区
Ostack问答社区
在这了问答社区
在哪了问答社区
Xstack问答社区
无极谷问答社区
TouSu问答社区
SQlite问答社区
Qi-U问答社区
MLink问答社区
Jonic问答社区
Jike问答社区
16892问答社区
Vigges问答社区
55276问答社区
OGeek问答社区
深圳家问答社区
深圳家问答社区
深圳家问答社区
Vigges问答社区
Vigges问答社区
在这了问答社区
DevDocs API Documentations
广告位招租
...