Recent questions tagged R

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r - Behavior of summing !is.na() results

Why does the first line return TRUE, and the third line returns 1? I would expect both lines to return 1. What is the ... na(). But it didn't :) 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

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r - Return a list in dplyr mutate()

I have a function in my real-world problem that returns a list. Is there any way to use this with the ... but do not understand why. 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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232 views

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r - Getting the error "level sets of factors are different" when running a for loop

I have the following 3 tables: AggData <- structure(list(Path = c("NonBrand", "Brand", "NonBrand,NonBrand", ... R cant compare the two levels? See Question&Answers more detail:os...

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

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409 views

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r - Preventing column-class inference in fread()

Is there a way for fread to mimic the behaviour of read.table whereby the class of the variable is set by the ... -w64-mingw32/x64 (64-bit) See Question&Answers more detail:os...

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

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472 views

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r - How to move the bibliography in markdown/pandoc

I'm currently writing my bachelor thesis and my instructor wants me to put my appendix after the bibliography but ... the end of the document? See Question&Answers more detail:os...

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

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481 views

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r - Matrix display without row and column names?

I have this code in R: seq1 <- seq(1:20) mat <- matrix(seq1, 2) and the result is: [,1] [,2] [,3] [,4] [, ... don't get the [,1] [,2] and so on? See Question&Answers more detail:os...

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

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415 views

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r - Adjusting the width of legend for continuous variable

I have a script below to illustrate my question: temp.df <- data.frame(x=1:100,y=1:100,z=1 ... continuous variable" legend positioned at bottom? See Question&Answers more detail:os...

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

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353 views

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r - Drawing non-intersecting circles

I'm trying to plot two non-intersecting touching circles, but I think I'm missing something quite basic... ... me why these circles overlap? See Question&Answers more detail:os...

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

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435 views

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r - Fastest way to find *the index* of the second (third...) highest/lowest value in vector or column

Fastest way to find the index of the second (third...) highest/lowest value in vector or column ? i.e. ... /lowest value in vector or column See Question&Answers more detail:os...

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

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354 views

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r - Escaping "@" in Roxygen2 Style Documentation

Let's say I have a comment block where I'd like to write an email address. How would I go about escaping ... it as text instead of a directive? See Question&Answers more detail:os...

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

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326 views

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r - Repo from RStudio to Github

I love github and RStudio for workflow. Recently, I've created a project template that makes directories and scripts etc ... want to push to). 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

1 answer

r - Are factors stored more efficiently in data.table than characters?

I though I had read somewhere (can't remember where) that factors were not actually more efficient than character vectors ... # int : 0.382 MB See Question&Answers more detail:os...

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

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449 views

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r - stop ggplot2 from dropping data points outside of axis limits?

If I make a line plot (a time series, for example) and set my axis limits, I want the line to continue off ... give me a an "Error:" message. See Question&Answers more detail:os...

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

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417 views

1 answer

r - Error: Maximal number of DLLs reached

I'm writing an R package which depends upon many other packages. When I load too many packages into the ... modifying and building from source? See Question&Answers more detail:os...

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

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1.5k views

1 answer

r - Error in na.fail.default: missing values in object - but no missing values

I am trying to run a lme model with these data: tot_nochc=runif(10,1,15) cor_partner=factor(c(1,1,0,1, ... exactly what is happening to my data. See Question&Answers more detail:os...

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

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309 views

1 answer

r - Problems with dplyr and POSIXlt data

I have a problem. I downloaded data and tranformed dates into POSIXlt format df<-read.csv("007.csv", header ... changing classes in my dataset? See Question&Answers more detail:os...

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

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500 views

1 answer

r - How do you set different scale limits for different facets?

Some sample data: dfr <- data.frame( x = rep.int(1:10, 2), y = runif(20), g ... recalculated and without explicitly calling scale_y_continuous?" See Question&Answers more detail:os...

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

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295 views

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r - Match Dataframes Excluding Last Non-NA Value and disregarding order

I have two dataframes: Partner<-c("Alpha","Beta","Zeta") COL1<-c("A","C","M") COL2<-c("B","D","K" ... , only if one of them matched...not all. See Question&Answers more detail:os...

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

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270 views

1 answer

r - How to optimize the following code with nested while-loop? Multicore an option?

I am having a challenge with a piece of code that takes very long to execute and I am wondering what are ... which is important as well. Jochem See Question&Answers more detail:os...

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

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376 views

1 answer

r - glmulti and liner mixed models

I have a problem with the glmulti package and linear mixed models. When I try to estimate the model-averaged ... ="Burnham",select="all") See Question&Answers more detail:os...

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

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337 views

1 answer

r - Difference of prediction results in random forest model

I have built an Random Forest model and I got two different prediction results when I wrote two different lines of ... correct one? Any Ideas? See Question&Answers more detail:os...

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

0 votes

367 views

1 answer

r shiny - uiOutput not rendering inside menuItem

Question Why does a sliderInput() that's generated on the server, and rendered on the ui with uiOutput() not get ... ") ) ), dashboardBody() ) See Question&Answers more detail:os...

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

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291 views

1 answer

r - Replace missing values with a value from another column

If I have: s <- data.frame(ID=c(191, 282, 202, 210), Group=c("", "A", "", "B"), stringsAsFactors=FALSE) s ID ... 2 282 A G 3 202 G G 4 210 B D See Question&Answers more detail:os...

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

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541 views

1 answer

r - subset a data.frame with multiple conditions

Suppose my data looks like this: 2372 Kansas KS2000111 HUMBOLDT, CITY OF ATRAZINE 1.3 05/07/2006 9104 Kansas ... (data$Date)),] Any suggestions? See Question&Answers more detail:os...

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

0 votes

623 views

1 answer

r - Arranging arrows between points nicely in ggplot2

(note - this is the same piece of work as using multiple size scales in a ggplot, but I'm asking a different question ... ),alpha=0.5, size=0.3) See Question&Answers more detail:os...

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

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401 views

1 answer

r - Is it possible to use write.table() and ddply, together?

Let's say I have a data.frame like: a <- c(1:10,1:10,1:10,1:10,1:10,1:10,1:10,1:10,1:10,1:10) df ... drop=T),file=tmp2, sep=",", row.names=F) } See Question&Answers more detail:os...

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

0 votes

293 views

1 answer

r - Merge Records Over Time Interval

Let me begin by saying this question pertains to R (stat programming language) but I'm open straightforward ... suggest an alternative tool? See Question&Answers more detail:os...

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

0 votes

514 views

1 answer

r - Variable hline in ggplot with facet

Using the Iris data set as an example, I can produce a ggplot with facet. The code is: library(ggplot2) ... into the ggplot commands please? See Question&Answers more detail:os...

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

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