Recent questions tagged R

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r - Rcurl: url.exists returns false when url does exist

Trying to download information from a specific web page, and although it opens fine in any browser, RCurl ... /startseite/wettbewerb/MEXA")) See Question&Answers more detail:os...

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

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556 views

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r - Get plot() bounding box values

I'm generating numerous plots with xlim and ylim values that I'm calculating on a per-plot basis. I want to put ... I'm creating. Thanks! -JM See Question&Answers more detail:os...

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

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901 views

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r - ggplot2 violin plot: fill central 95% only?

ggplot2 can create a very attractive filled violin plot: ggplot() + geom_violin(data=data.frame(x=1, y=rnorm(10 ... on how to accomplish this? See Question&Answers more detail:os...

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

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820 views

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r - ggplot2: how to separate geom_polygon and geom_line in legend keys?

I want to: remove the line inside geom_polygon legend key and remove the border around the geom_line legend key. The ... (fill = "transparent")) 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 - Change distance between x-axis ticks in ggplot2

Right now I am producing a line graph with three observations. Hence, there are three x-axis ticks. I want ... (legend.key = element_blank()) See Question&Answers more detail:os...

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

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615 views

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r - Remove whiskers in box-whisker-plot

Is there a straightforward way to remove the whiskers from a box-whisker-plot in ggplot2 in R? I'd like to ... + geom_boxplot(outlier.size = 0) 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 - Adding an image to Shiny action button

I have a shiny action button but instead of font I wish to display an image. i have used tags$button for the action ... -button" ))), 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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635 views

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r - Is there an equivalent in ggplot to the varwidth option in plot?

I am creating boxplots using ggplot and would like to represent the sample size contributing to each box. In the base ... 2]), varwidth = TRUE) 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 - Benchmarking: using `expression` `quote` or neither

Generally, when I run benchmarks, I wrap my statements in expression. Recently, it was suggested to either (a) not do so ... 0.006 1 0.006 0.001 See Question&Answers more detail:os...

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

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661 views

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r - How to convert a data frame of integer64 values to be a matrix?

I have a data frame consisting entirely of integer64 columns that I'd like to convert to be a matrix. library ... a matrix of integer64 values? See Question&Answers more detail:os...

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

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622 views

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r markdown - Replacing existing RPubs document with a newer version

Is it possible to replace/overwrite my markdown document in the RPubs? See Question&Answers more detail:os...

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

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680 views

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r - Creating categorical variables from mutually exclusive dummy variables

My question regards an elaboration on a previously answered question about combining multiple dummy variables into a single ... help a lot. See Question&Answers more detail:os...

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

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621 views

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r - Using := in data.table with paste()

I have started using data.table for a large population model. So far, I have been impressed because using the data. ... and "R" can be vague. See Question&Answers more detail:os...

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

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1.7k views

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r - Error in dev.off() : cannot shut down device 1 (the null device)

I am new to R programming and I got hit with this error when I tried to run the code. This simply creates a pie ... # Save the file. dev.off() See Question&Answers more detail:os...

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

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861 views

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r - How to highlight area between two lines? ggplot

I have data frame containing variable and it's conf. interval time x x.upper x.lower 1 1.00 0.91 1.11 2 1. ... () function. How can I do 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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853 views

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r - Stargazer notes line wrap?

Is there a way to get notes in stargazer to wrap lines instead of running off the page? stargazer(fit.1, ... in the manual for adjusting this. See Question&Answers more detail:os...

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

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513 views

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r - integrate() gives totally wrong number

integrate() gives horribly wrong answer: integrate(function (x) dnorm(x, -5, 0.07), -Inf, Inf, subdivisions = ... there is any remedy for this. See Question&Answers more detail:os...

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

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485 views

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r - Block bootstrap from subject list

I'm trying to efficiently implement a block bootstrap technique to get the distribution of regression coefficients. The main ... 8661479 ... ... See Question&Answers more detail:os...

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

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888 views

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r - Divide all columns by a chosen column using mutate_all

I have a sample data frame that looks like this (my full dataframe has "d" plus 57 elements): d <- seq(0 ... . Thanks in advance for any advice. 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 - highlight areas within certain x range in ggplot2

I want highlight certain areas of a ggplot2 graph similar to what is done here: How to highlight time ranges on a ... another good way to do 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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562 views

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r - Is it possible to get RStudio to show function arguments and descriptions for custom functions?

The code completion in RStudio is great, and I really like how a popover appears to describe the arguments ... describes my function inputs. See Question&Answers more detail:os...

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

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615 views

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r - Change options on a per-facet basis

I'm using facets in ggplot2 to plot the distribution of expression in a large number of genes. My plotting ... I'm probably missing something! See Question&Answers more detail:os...

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

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743 views

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r - How logical negation operator "!" works

I am not trying to solve any particular problem, but trying to learn R and understand its logical negation operator ... != case. Thanks! Sergey See Question&Answers more detail:os...

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

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880 views

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r - Store output from gridExtra::grid.arrange into an object

I am placing multiple plots into one image using gridExtra::grid.arrange and would like to have the option of ... Error: No layers in plot See Question&Answers more detail:os...

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

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518 views

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r - tidyr spread function generates sparse matrix when compact vector expected

I'm learning dplyr, having come from plyr, and I want to generate (per group) columns (per interaction) from ... seems like a partial solution. See Question&Answers more detail:os...

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

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597 views

1 answer

r - ggplot: recommended colour palettes also distinguishable for B&W printing?

I've started to produce the charts for a paper. For some of them which are bar charts I've used the " ... t find anything pertinent. 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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599 views

1 answer

r - Combining date and time into a Date column for plotting

I want to create a line plot. I have 3 columns in my data frame: date time numbers 01-02-2010 14:57 5 ... class, time is just a char variable. See Question&Answers more detail:os...

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

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730 views

1 answer

r - Combine two lists of dataframes, dataframe by dataframe

I have what is no doubt a simple problem. I have spent the last hour or so looking around for a solution but am ... ), class = "data.frame")) See Question&Answers more detail:os...

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

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