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
308
views
1
answer
r - Cast function argument as a character string?
Super quick question... How do you take a some particular function's (user-defined) argument and cast it as a ... couldn't find it! Thanks!! See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
549
views
1
answer
r - Replace NA with Zero in dplyr without using list()
In dplyr I can replace NA with 0 using the following code. The issue is this inserts a list into my data frame which ... df$x[is.na(df$x)] <- 0 See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
944
views
1
answer
r - Error in Confusion Matrix : the data and reference factors must have the same number of levels
I've trained a Linear Regression model with R caret. I'm now trying to generate a confusion matrix and ... NULL > levels(testing$Final) NULL See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
380
views
1
answer
r - Error: Invalid input: date_trans works with objects of class Date only
I have a time series dataset called "Data" which contains water elevation data for several wells over many years of sampling ... ", alpha = 0.5) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
506
views
1
answer
r - read.table() and read.csv both Error in Rmd
I want to read a txt in Rmd --- title: "Untitled" output: html_document --- ```{r} country <- read. ... -> read.table -> file Execution halted See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
501
views
1
answer
r - Weird characters added to first column name after reading a toad-exported csv file
Whenever I read a csv file in R (read.csv("file_name.csv")) that was exported using toad, the first column name ... " "12021,1204" "12281,1204" See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
858
views
1
answer
r - Remove parenthesis from a character string
I am trying to remove a parenthesis from a string in R and run into the following error: string <- "log(M)" ... 'log(', reason 'Missing ')'' See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
477
views
1
answer
r - Hiding NA's when printing a dataframe in knitr
I'm trying to print a table in knitr from a data frame using xtable . The table in the example below has ... ) print(xFTable) @ end{document} See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
491
views
1
answer
r - checking CRAN incoming feasibility ... NOTE Maintainer
When I run R CMD check --as-cran on my package, the one note I still get is: checking CRAN incoming ... do that will clear the note? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
286
views
1
answer
r - convert dplyr join syntax into pure data.table syntax
I am learning data.table. I have difficulty converting the dplyr join syntax. Can you please recommend the data. ... in advance for any help. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
632
views
1
answer
r - Italic greek letters / latex-style math in plot titles
I'd like to create latex-style math in plot titles in R. The plotmath tools have a useful but limited subset of ... and add them to my graphs? 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 - Counting unique items in data frame
I want a simple count of the number of subjects in each condition of a study. The data look something like ... this should be painfully simple. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
337
views
1
answer
r - Extracting noun+noun or (adj|noun)+noun from Text
I would like to query if it is possible to extract noun+noun or (adj|noun)+noun in R package openNLP?That ... into R language. 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
235
views
1
answer
r - Add annotation and segments to groups of legend elements
My ggplot has the following legend: I want to group my individual legend variables, and add the group names and ... <-data.frame(state,activity) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
395
views
1
answer
r - PCA Scaling with ggbiplot
I'm trying to plot a principal component analysis using prcomp and ggbiplot. I'm getting data values outside of the ... I'm trying to get. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
297
views
1
answer
r - Visualise distances between texts
I'm working on a research project for school. I've written some text mining software that analyzes legal texts ... I'll be infinitely grateful. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
357
views
1
answer
r - Double clustered standard errors for panel data
I have a panel data set in R (time and cross section) and would like to compute standard errors that are ... i.e. along two dimensions). See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
780
views
1
answer
r - Plotting envfit vectors (vegan package) in ggplot2
I am working on finalizing a NMDS plot that I created in vegan and ggplot2 but cannot figure out how to add envfit ... max=0.1, col="blue") See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
353
views
1
answer
r - How to read data with different separators?
I have a file looks like: a 1,2,3,5 b 4,5,6,7 c 5,6,7,8 ... That the separator between 1st and ... of data set as as dataframe having 5 fields. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
465
views
1
answer
r - Remove URLs from string
I have a vector of strings-myStrings-in R that look something like: [1] download file from `http:// ... stringr package but nothing works. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
404
views
1
answer
r - ggplot graphing of proportions of observations within categories
I am looking for advice on better ways to plot the proportion of observations in various categories. I have a ... how to make this work. See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
621
views
1
answer
r - Watermark in rmarkdown
I have researched and found how to create a watermark in an rmarkdown document. It works great on basic text, but ... as far as I'm concerned. 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 - Difference between pull and select in dplyr?
It seems like dplyr::pull() and dplyr::select() do the same thing. Is there a difference besides that dplyr::pull() only selects 1 variable? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
630
views
1
answer
r - rollmean with dplyr and magrittr
Given the following data: set.seed(1) data <- data.frame(o=c('a','a','a','a','b','b','b','b','c ... real data. How do I fill the first two rows? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
359
views
1
answer
r - Mutating multiple columns in a data frame using dplyr
I have the following data frame df: v1 v2 v3 v4 1 1 5 7 4 2 2 6 10 3 And I want to obtain the following ... v4) df2 <- cbind(df, v1v3, v2v4) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
376
views
1
answer
r - ggplot legend issue w/ geom_point and geom_text
I am trying to use geom_point to illustrate the count of my data. I would also like to annotate a few of the points ... size = 150, vjust = 2)) See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
307
views
1
answer
r - Use pipe without feeding first argument
Is the %>% pipe operator always feeding the left-hand side (LHS) to the first argument of the right-hand side ( ... find a solution with %>%... See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
0
votes
285
views
1
answer
r - apply over matrix by column - any way to get column name?
I'm calling apply(data, 2, function(x) {...}) where data is a matrix. Is there any way for the ... another function to accomplish the same task? See Question&Answers more detail:os...
asked
Oct 24, 2021
in
Technique[技术]
by
深蓝
(
71.8m
points)
r
Page:
« prev
1
...
84
85
86
87
88
89
90
91
92
93
94
...
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 - Iterating over numbers including prime factors
[2] Mysql - Is there a way to query a many-to-many relationship and include rows not in the linking table?
[3] reporting services - SSRS report external image source
[4] html - CSS section layout with shaped divs
[5] react-native FlatList加入CellRendererComponent之后,父容器onTouchEnd不执行?
[6] Locating partial link text with python selenium in chrome headless mode
[7] php - $_POST returns blank value
[8] c# 如何旋转视频
[9] Create two dataframes using Pandas from a text file Python
[10] vue中在main.js文件添加addeventListen 打包之后,只执行了一次
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
...