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
2.2k
views
1
answer
r - Closest pair for any of a huge number of points
We are given a huge set of points in 2D plane. We need to find, for each point the closest point within the set ... (could be 4 also) Any idea? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.1k
views
1
answer
r - Is it possible to use the "theme_light()" together with "theme" in a ggplot command?
If I write the following plot seen below and use theme(plot.title = element_text(hjust = 0.5)) to center the title ... = 0.5)) + theme_light() See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.2k
views
1
answer
r - Batch searching regex in Shiny DT datatables with spaces (not pipes)
Following on from this post can anyone please tell me if it's possible to implement a way to search an ... Biobase_2.46.0 BiocGenerics_0.32.0 See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.1k
views
1
answer
r - Making the X_axis more visible?
This is the code I used, the goal is to visualize the evolution of covid in north africa library(readr) library ... instead of days plot. r See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.1k
views
1
answer
r - Can't fit a normal curve to a grouped histogram
I'm struggling with an assignment I was given. We have to make a grouped histogram with normal fit superimposed. ... my graphs look like this: See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.2k
views
1
answer
r - How to filter rows based on the previous row and keep previous row using dplyr?
I am trying to subset rows of a data set using a condition that's based on the previous row, whilst ... Any help would be greatly appreciated! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.3k
views
1
answer
r - How to get summary statistics for multiple variables by multiple groups?
I know that there are many answers provided in this forum on how to get summary statistics (e.g. mean, se, N) for ... group B, E and I etc...) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.3k
views
1
answer
r - How to get right Map for India in highcharts?
I am working on covid dataset and have mapped the data on Indian Map using highcharts but that Map is not latest & ... that I can refer to ?? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.3k
views
1
answer
r - Map with geom_bin2d overlay with additional stat info
I am trying to reproduce something similar to this map using ggplot2: This is what I've done so far: load(" ... set can be downloaded here: data See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.3k
views
1
answer
r - Union of igraph objects loses attributes
I have two igraph objects, which have different color attributes. Vertices "A" and "B" in first graph are ... the distinct colors when joining ? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.3k
views
1
answer
r - rmongodb: using $or in query
I'm struggling to create a query using $or within R and rmongodb. What I'd like to emulate is this from cmdline ... . I'm stuck on this one. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.4k
views
1
answer
r - Sorting rules by lift and confidence
I am trying to find association rules using the apriori function from arules package in R. rules <- apriori(data= ... lift at the same time? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.1k
views
1
answer
r - How to add a hole to a polygon within a SpatialPolygonsDataFrame?
I have a list of polygons in a SpatialPolygonsDataFrame and need to set one of them as a hole in an other. ... " flag on an existing polygon? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.8k
views
1
answer
r - Add Tooltip to Tabs in Shiny
I am trying to add tooltips/popovers using the shinyBS package for a Shiny application but am having an issue ... and Tabset Panels for testing. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.1k
views
1
answer
r - Sort data by row
I have a data frame like Id A B C D E F a 1 2 9 4 7 6 b 4 5 1 3 6 10 c 1 6 0 3 4 ... respective column names. Is there any nice way to do this? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.4k
views
1
answer
r - Get the month from the week of the year
Let's say we have this: ex <- c('2012-41') This represent the week 41 from the year 2012. How would I ... standard date format like %Y-%m-%d). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.1k
views
1
answer
r - Dimension of a 1 x m Matrix?
R suprises me almost every day again and again: m <- matrix( 1:6, ncol=2 ) while( dim(m)[1 ... efficient solutions 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
2.0k
views
1
answer
r - Using dplyr::quos() with a list argument rather than the ellipsis argument
I am using dplyr and trying to create a function to calculate p.values based on grouping arguments. I would like ... what I could do instead! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.0k
views
1
answer
r - Filtering on grouped variable
I have a dataframe: df <- data.frame( Group=c('A','A','A','B','B','B'), Activity ... those groups that necessarily contain both the activities? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.2k
views
1
answer
r - Increasing minimum point size in ggplot geom_point
I am using following data and code: > > dput(ddf) structure(list(xx = c("aa", "bb", "cc"), gp = ... be increased so that it is clearly visible? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.3k
views
1
answer
r - Imperfect string match using data.table
Ok, so I posted a question a while back concerning writing an R function to accelerate string matching of ... lapply correctly here? Thanks! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.3k
views
1
answer
r - Programmatically create tab and plot in markdown
I'm trying to create a dynamic number of tabs in my rmd with some content inside. This one doesn't help. Something ... = Sepal.Width)) }) ``` See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.4k
views
1
answer
r - ggplot - connecting points in polar coordinates with a straight line
I am working on a similar issue, as already discussed here: r - ggplot2: connecting points in polar coordinates ... get towards where I wanted. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.2k
views
1
answer
r - How to duplicate columns in a data frame
Is there any efficient way, without using for loops, to duplicate the columns in a data frame? For ... help would be greatly appreciated! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.4k
views
1
answer
r - Find the most repeated row in a matrix
I have about 10000 replicates of a sample in a matrix. My matrix has 1000 rows and 6 columns. Numbers in ... go back manually. Any suggestions? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.5k
views
1
answer
r - sqldf can't find the data with error "no such table"
I've been using sqldf in my R-scripts until now when I got the following error: library(sqldf) data(mtcars) ... anyone know what's the issue? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.2k
views
1
answer
r - How can I use merge to cbind two dataframes
Suppose I have two dataframes: df1 <- data.frame(matrix(rnorm(10*10),ncol=10)) df2 <- data.frame(matrix( ... in the application of merge here). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
2.4k
views
1
answer
r - How to calculate the predicted probability of negative binomial regression model?
I use glm.nb() function in R MASS package to estimate the parameters of a negative binomial regression model. How ... 31 0.734058 35 1.000000 See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
Page:
1
2
3
4
5
6
...
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] ruby on rails - Does load_and_authorize_resource authorize every single action in a controller, or just RESTful ones?
[2] 广点通有人对接过吗
[3] 后台返回的pdf文件流不完全
[4] How do I dynamically set the path of a file Python?
[5] javascript - How to fetch data that is just posted from mysql in react-native
[6] 这个正则的长度如何计算的?
[7] 新手入门scrapy报错 求帮忙看看
[8] 令人头疼的正则
[9] How can I fix this Syntax error in a for loop in python 3?
[10] vue.js - Vue 3 + Bootstrap 4 + VueRouter NO BootstrapVue
2.1m
questions
2.1m
answers
60
comments
57.0k
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
...