Recent questions tagged r

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r - ggplot legend showing transparency and fill color

I'm plotting two semi-transparent ribbons together. Using the code below, without the scale_fill_manual portion, ... . Thanks 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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702 views

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r - Plot weighted frequency matrix

This question is related to two different questions I have asked previously: 1) Reproduce frequency matrix plot 2 ... multiple samples? 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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557 views

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r - "update by reference" vs shallow copy

The function set or the expression := inside [.data.table allows user to update data.tables by reference. How does this ... 1.143 0.088 1.220 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 - How to shade part of a density curve in ggplot (with no y axis data)

I'm trying to create a density curve in R using a set of random numbers between 1000, and shade the part ... (breaks=seq(0,1000,100)) 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 - How to use dplyr::arrange(desc()) when using a string as column name?

How can I use dplyr::arrange(dplyr::desc()) and pass in a string as the column name? Here is a sample dataset ... (dplyr::desc("b")) 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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r - Convert Date to POSIXct

Why does the Date below change to "2014-07-07" when converted to POSIXct? Sys.setenv(TZ='America/Sao_Paulo') d <- ... "2014-07-07 21:00:00 BRT" 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 - Margins between plots in grid.arrange

I dont seem to be able to find a solution as to how to increase the space between two plots with grid.arrange. ... cs that is to be increased. See Question&Answers more detail:os...

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

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521 views

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r - print if not assigned

How can I write into a function a way to detect if the output is being assigned (<-) to something? The reasoning ... detect but don't know how. 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 - Include non-CRAN package in CRAN package

The question is pretty simple. First: Is it possible to include a non-CRAN (or bioconductor, or omega hat) ... repos=NULL, type="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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r - Fastest way to parse a date-time string to class Date

I have a column with dates as character in the format 10/17/2017 12:00:00 AM. I want parse the string and ... and more efficient way to do 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 - What does the "More Columns than Column Names" error mean?

I'm trying to read in a .csv file from the IRS and it doesn't appear to be formatted in any weird way. ... section - either inflow or outflow.) 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 - Error in bind_rows_(x, .id) : Argument 1 must have names

Here is a code snippet: y <- purrr::map(1:2, ~ c(a=.x)) test1 <- dplyr::bind_rows(y) test2 <- do.call(dplyr ... :map_df(1:2, ~ data.frame(a=.x)) 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 - How to simulate bimodal distribution?

I have the following code to generate bimodal distribution but when I graph the histogram. I don't see the 2 ... ,sig2) hist(log(bimodalData)) 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 - How to set themes globally for ggplot2?

I created a package with plenty of functions that generate ggplot plots. At the beginning, I used the default theme ... apply to all my 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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623 views

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r - Valid time zones in lubridate

A quick google search seems to get me nowhere. What are valid time zones in lubridate's tz option? In particular, ... (has one time zone only) See Question&Answers more detail:os...

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

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577 views

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r - Finding all possible combinations of vector intersections?

I have a set of four vectors that look like this: [1] PRI2CO HEISCO PRI2CO DIALGU DIALGU ALSEBL Levels: ALSEBL DIALGU ... can't get it to work. See Question&Answers more detail:os...

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

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490 views

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r - How can I keep track of total transaction amount sent from an account each last 6 month?

This is my transaction data data id from to date amount <int> <fctr> <fctr> <date> <dbl> 19521 6644 6934 ... run faster on a large 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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445 views

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r - Processing the input file based on range overlap

I have a huge input file (a representative sample of which is shown below as input): > input CT1 CT2 CT3 1 chr1: ... -870", "chr2:700-1400" )) 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 - Include link to local html file in DataTable in Shiny

I want to include a link to a local html file, which lives inside the www directory of my shiny app, inside a ... -3) } shinyApp(ui, 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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702 views

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r - Remove blank lines from plot geom_tile ggplot

Is there a way to remove the blank lines from a geom_tile plot? If I try scale = "free" it looks weird. I want to ... x="Time (h)", fill="") See Question&Answers more detail:os...

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

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682 views

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r - shiny datatable in landscape orientation

I have code as following in shiny DT::renderDataTable({ df() , rownames=FALSE ,extensions = c('Responsive', 'Buttons') ... = 12 ) ) } }) See Question&Answers more detail:os...

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

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673 views

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r - How to align or center the bars of a histogram on the x axis?

qplot(carat,data=diamonds,geom="histogram",binwidth=1,xlim=c(0,3)) I use this code to draw a histogram. But ... is different from that of book. See Question&Answers more detail:os...

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

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456 views

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r - Find Match of two data frames and rewrite the answer as data frame

i have two data frames which are cleaned and merged as a single csv file , the data frames are like this ** ... code ! thanks 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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541 views

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r - How to filter out matrix rows with entries less than specific value

I'm dealing with very big matrix. I want just keep the rows of the matrix which 90% of it's entries are ... someone help me to implement 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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594 views

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r - How to find changing points in a dataset

I need to find the points at which an increasing or decreasing trend starts and ends. In this data, a difference ... an R method 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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510 views

1 answer

r - Facebook search by keyword

On facebook, I used to search public posts containing specific keywords through R, using the function "searchFacebook" in ... way. Is that 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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484 views

1 answer

r - Is there a way to make hyperlinks in the pop-up of a tm_bubbles item?

I'm using the tmap package to visualise some values in a map. Does anyone know a way to integrate hyperlinks in ... if this is possible at 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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599 views

1 answer

r - NetLogo - misalignment with imported GIS shapefiles

I've got a NetLogo model in which each animal occupies a "territory", wherein all patches that belong to the animal ... set is-hr? true ] end See Question&Answers more detail:os...

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

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