Recent questions tagged R

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I have a long title for a plot in R and it keeps extending outside the plot window. How can I wrap the title over 2 rows? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Install udunits2 package for R3.3

I just wasted the whole day trying to figure out how to install the udunits2 package to be able to install ... udunits2 packages please help me! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - set only lower bound of a limit for ggplot

Is it possible to only set the lower bound of a limit for continuous scale? I want to make all my plots ... e.g. + scale_y_continuous(minlim=0) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Apply a ggplot-function per group with dplyr and set title per group

I would like to create one separate plot per group in a data frame and include the group in the title. With ... in a very simple way. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - split character data into numbers and letters

I have a vector of character data. Most of the elements in the vector consist of one or more letters followed by ... a Windows 7 64-bit machine. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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616 views

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r - How to retry a statement on error?

How can I simply tell R to retry a statement a few times if it errors? E.g. I was hoping to do something like ... { # Handle other errors } } ) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Why has data.table defined := rather than overloading <-?

data.table has introduced the := operator. Why not overload <-? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Unexpected 'else' in "else" error

I get this error: Error: unexpected 'else' in " else" From this if, else statement: if (dsnt<0.05) { wilcox. ... ) } } What is wrong with this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Getting a function name as a string

Say I have a bunch of functions, each with something likeMyFunction.1, etc. I want to pass these functions ... predefined function as a string? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How can I suppress the vertical gridlines in a ggplot2 plot?

I am building a bar chart for which bars suffice as indications of horizontal (x) placement, so I'd like ... Any thoughts would be appreciated! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How to replace NA (missing values) in a data frame with neighbouring values

862 2006-05-19 6.241603 5.774208 863 2006-05-20 NA NA 864 2006-05-21 NA NA 865 2006-05-22 6.383929 5. ... of 19&22 How do it is the question? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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446 views

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r - LDA with topicmodels, how can I see which topics different documents belong to?

I am using LDA from the topicmodels package, and I have run it on about 30.000 documents, acquired 30 topics, and ... dtm_LDA <- LDA(dtm2, 30) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How to get unsaved script tabs

I would like to know, if it is possible to get unsaved script tabs in R studio. I accidentally open and ... to get my unsaved script tabs. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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350 views

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r - How to save() with a particular variable name

I am repeatedly applying a function to read and process a bunch of csv files. Each time it runs, the ... fine: get(this.csv.data$unique_tag) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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970 views

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r - Automatically adjust LaTeX table width to fit pdf using knitr and Rstudio

Using Rstudio and knitr to produce latex-tables in pdf, how do I make wide tables fit the page? I'm basically ... 5 stringr_0.6.2 tools_3.0.0 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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479 views

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r - How can a data ellipse be superimposed on a ggplot2 scatterplot?

I have an R function which produces 95% confidence ellipses for scatterplots. The output looks like this, having ... help would be appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Overlay two ggplot2 stat_density2d plots with alpha channels

I want to overlay two ggplot2 plots with alpha channels in a way that the resulting image shows both datasets. ... the order of the datasets. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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419 views

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r - How can I force a line break in rmarkdown's title?

I have a quite long title in a rmarkdown document and I would like to force a line break in a specific ... been able to find a solution. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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499 views

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r - How do I use cookies with RCurl?

I am trying to write an R package that accesses some data via a REST API. The API, however, doesn't use ... () no cookies.txt file exists. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - find all functions (including private) in a package

I know ls("package:grid") and find.funs("package:grid") in mvbutils but apparently neither of them can find non- ... must be a better way, no? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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539 views

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r - using parallel's parLapply: unable to access variables within parallel code

I recently got a computer with several cores and am learning to use parallel computing. I'm fairly proficient with ... to use parLapply I think See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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402 views

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r - Consolidate duplicate rows

I have a data frame where one column is species' names, and the second column is abundance values. Due to the ... for any help you can provide! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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597 views

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r - Create an ID (row number) column

I need to create a column with unique ID, basically add the row number as an own column. My current data frame ... 45 3 56 67 ? Many thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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402 views

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r - How to get the name of the calling function inside the called routine?

Is there a "non-Internal" way to get the caller's name, as the function stop does? The idea is that I ... in the environment of the caller? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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484 views

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r - dplyr issues when using group_by(multiple variables)

I want to start using dplyr in place of ddply but I can't get a handle on how it works (I've read the ... ) function doesn't work with dplyr... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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568 views

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r - Changing factor levels with dplyr mutate

This is probably simple and I feel stupid for asking. I want to change the levels of a factor in a data ... I change factor levels with mutate? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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378 views

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r - Density2d Plot using another variable for the fill (similar to geom_tile)?

I am trying to plot a map for my final project, and I am trying to do a heat map of crime by BLock in ... . SUBSAMPLE of data can be found here See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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599 views

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r - Adding a company Logo to ShinyDashboard header

So just curious, is there any way to add a company logo to the header of a ShinyDashboard? As I am looking ... if desired. Hope this helps. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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