Recent questions tagged R

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r - geom_vline vertical line on x-axis with categorical data: ggplot2

I have data that is ordered in classes, as described in this article: https://www.r-bloggers.com/from- ... so, please excuse the question. See Question&Answers more detail:os...

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

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816 views

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r - Is there any way to show a wordcloud2 in Rmarkdown as a PDF or Word file?

I'm trying to show a wordcloud2 wordcloud, but it only works in an html-knitted Rmd file. This works: -- ... that seems clumsy. Better ideas? 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 - Extract Consecutive Pairs of Elements from a Vector and Place in a Matrix

This may be a simple question but I can not find how to produce pairs of values from a vector sequentially ... matrix. Any help is welcomed See Question&Answers more detail:os...

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

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757 views

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r - Highcharter plotBands, plotLines with time series data

What is the correct way to specify values in highcharter library's plotLines and plotBands when plotting time series ... is the resulting chart See Question&Answers more detail:os...

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

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380 views

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r - Let each plot in facet_grid have its own Y-axis value

Currently I'm having trouble with displaying the chart Y-axis to my likings. What I want is that each separate ... per index", x="Clusters") 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 - Plot curved lines between two locations in ggplot2

I am making a map about exports from the Americas to the Netherlands. To visualise my data, I want to make a ... ggplot2, so they don't 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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r - Using data.table to create a column of regression coefficients

I'm struggling with what seems like it should be a simple extension of a previous question I'd asked here. ... s something obvious I've missed. See Question&Answers more detail:os...

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

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554 views

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r - Flatten nested list into 1-deep list

I am looking for an efficient solution to (recursively) flatten a nested list (of arbitrary depth) into non-nested, 1 ... do it all in one run? 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 - independently move 2 legends ggplot2 on a map

I want to independently move two legends on a map to save save and make the presentation nicer. Here is the ... "data.frame") Desired output: 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 - Percentage of overlap between polygons

I'm new to R and it's my first time posting here, thought to let you guys know I'm still a newbie ... /polygons? Thank you all in advance! See Question&Answers more detail:os...

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

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341 views

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r - data.table join and j-expression unexpected behavior

In R 2.15.0 and data.table 1.8.9: d = data.table(a = 1:5, value = 2:6, key = "a") d[J(3 ... the by expression is actually the key of the merge). See Question&Answers more detail:os...

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

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638 views

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r - Find points over and under the confidence interval when using geom_stat / geom_smooth in ggplot2

I have a scatter plot,I want to know how can I find the genes above and below the confidence interval lines? ... + geom_point() + geom_smooth() See Question&Answers more detail:os...

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

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519 views

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r - How to load csv file into SparkR on RStudio?

How do you load csv file into SparkR on RStudio? Below are the steps I had to perform to run SparkR on RStudio ... con, object) : invalid jobj 1 See Question&Answers more detail:os...

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

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467 views

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r - Calculating prediction accuracy of a tree using rpart's predict method

I have constructed a decision tree using rpart for a dataset. I have then divided the data into 2 parts - a training ... and how can I fix it? See Question&Answers more detail:os...

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

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414 views

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r - Multiplying all columns in dataframe by single column

I know it is a basic quaestion but couldnt find any solution to it. I want to multiply all columns of a dataframe by ... * b[, i] + } 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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482 views

1 answer

r - How fill part of a circle using ggplot2

circleFun <- function(center = c(0,0),diameter = 1, npoints = 100){ r = diameter / 2 tt <- seq(0,2* ... quadrant. What should I do? Thank you ! See Question&Answers more detail:os...

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

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480 views

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r - Chloropleth map with geojson and ggplot2

I am trying to map Human Poverty Index for various districts of Nepal with choropleth map in R using geojson and ... help in merging two 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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481 views

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r - Add titles to ggplots created with map()

What's the easiest way to add titles to each ggplot that I've created below using the map function? I want the ... # + ggtitle(....)) plots See Question&Answers more detail:os...

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

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404 views

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r - Datatable is not printed in combination with cat command in Rmd / RStudio

Could someone please explain why in the Rmd code (to generate a HTML report using RStudio) below only the cat command is ... with my cat") } ``` See Question&Answers more detail:os...

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

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531 views

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r - How to cache data in shiny server?

I am using R to deploy an app over the web, but the URL from which my app takes data is where my ... that were all unsupported by the server. See Question&Answers more detail:os...

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

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463 views

1 answer

r - Combining vector and bitmap graphics in a pdf

When plotting images or heatmaps to pdfs as in the example below they are saved as vector objects where ... ideas and hopefully solutions! See Question&Answers more detail:os...

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

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461 views

1 answer

r - How to write a data-frame with one column a list to a file?

Here is my dummy dataset: dataset<-data.frame(a=c(1,2,3,4),b=c('a','b','c','d'), c=c("HI" ... ' in 'EncodeElement' How can i solve this problem? 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 - inline function code doesn't compile

I am trying to experiment with the inline library. I tried the first example given at http://adv-r.had. ... add the Rtools directories to PATH. See Question&Answers more detail:os...

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

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368 views

1 answer

r - fuzzyjoin two data frames using data.table

I have been working on a fuzzyjoin to join 2 data frames together however due to memory issues the join causes cannot allocate ... 4098.364, 4530.565, 5561.984, 5629.963, 6469....

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

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390 views

1 answer

r - Avoiding Global Variables

I'd like to make a basic profiling tool that collects time stamps and produces run times with a note. The ... .sleep(4) appendRunTimes('test') See Question&Answers more detail:os...

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

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795 views

1 answer

r - Using facet tags and strip labels together in ggplot2

I'd like to create a figure using ggplot2's facet_grid, like below: # Load ggplot2 library for plotting library ... , whilst also adding tags? See Question&Answers more detail:os...

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

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479 views

1 answer

r - How can i convert a factor column that contains decimal numbers to numeric?

I have a csv file and when i use this command SOLK<-read.table('Book1.csv',header=TRUE,sep=';') I ... SOLK$Close column from factor to numeric? See Question&Answers more detail:os...

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

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703 views

1 answer

r - ggplot2: can't sort x axis by y value

I have problem in sorting x axis by y value in ggplot2: here is the code below #Data hp=read.csv(textConnection( " ... , 90. What should I do? See Question&Answers more detail:os...

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

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