Recent questions tagged R

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r - ggplot's transparent background changes after ShinyApp resizing

The following code shows 2 ggplot2-plots in a shinydashboard. The plot backgrounds should always be transparent, even ... } 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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r - How can I create a new column based on conditional statements and dplyr?

x y 2 4 5 8 1 4 9 12 I have four conditions maxx = 3, minx = 1, maxy = 6, miny = 3. ... I can store a character based on conditional statements. 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 - Find the shortest path between points on a map made by the leaflet package

I would like to know how do I get the shortest path between two points on a map made by the ... /leaflet-routing-machine/tutorials/interaction/ 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 - RSelenium rsDriver gives error can't kill an exited process

I am struggling to make RSelenium work on a unix server. It has Mozilla Firefox 60.6.1, and running the two ... it ? Thank you for your help 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 - Finding the column number of the smallest element in a certain row

Using R Say for example you have a matrix such as the one below. > C<-matrix(c(0,-7,2,8,0,0,3,7, ... what the 5 means in this particular case? 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 - duplicate couples (id-time) error in plm with only two IDs

I'm trying to run a fixed effects regression using the plm package. The regression code is as following: ... of country+year combination. 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 - Subsetting dataframe by day according to most non zero data

I have an example dataframe: a <- c(1:6) b <- c("05/12/2012 05:00","05/12/2012 06:00"," ... on the above problems would be greatly appreciated. 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 split a url

I want to split the below string in R https://bugzilla.mozilla.org/show_bug.cgi?id=797998 Here I want to split ... to get the value as 797998. 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 can I solve non-finite location and/or size for viewport error?

Here is a simplified and testable example: dataset <- data.frame( emp_month = c("January","March"," ... grid.Call.graphics Execution halted See Question&Answers more detail:os...

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

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809 views

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r - How to delete an element at a time from a vector while retaining the others?

I have a vector x containing 5 elements. x <- (1,2,3,4,5) I would want to delete one element at ... way to extend this to multiple vectors? 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 - trouble in installing rgdal on ubuntu 16.04

I have been trying to install rgdal on R 3.4.2 (RStudio 1.1.383) and ubuntu 16.04 but it always end ... for helping me in fixing 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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r - Counting number of rows between rows

I have a data frame with four columns: user_id, event, and time User_id a user_id, event is either "A" or "B", and time ... B ... NA 2 A ... 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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r - How to create a vector indicating matches between the elements of one vector and any element in another?

I am trying to create a vector indicating whether country names in a data frame match any value from a separate ... efficient way of doing 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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1.1k views

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r - How to escape a colon in the header-includes in a YAML header

I use a custom LaTex beamer theme in an rmarkdown::beamer_presentation. The custom theme contains a title frame. ... see the mentioned SO post. See Question&Answers more detail:os...

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

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854 views

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r - Finding maximum value in column

My data is in column. I need to scan every 3 rows and come out with the maximum values. It's kind of moving average ... 29.92 30.26 30.18 30.47 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 - Linear regression with interaction fails in the rms-package

I'm playing around with interaction in the formula. I wondered if it's possible to do a regression with ... fitting routines used by lm" See Question&Answers more detail:os...

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

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884 views

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r - Previous input in Shiny

How to retain previous input in Shiny? I want to show how estimates change according to user input. E.g., If user ... (ui = ui, server = 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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r - Error with loading tidyverse: package or namspace load failed

I just downloaded R (version 4.0.3) and RStudio (1.3.1093). The packages seem to be installed okay but ... for a solution to 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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879 views

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r - Calculating the maximum of sub-vectors of a larger vector

I would like to find the largest element in a portion of a longer vector. I would also like to perform this ... ,5 ,5 #Result of the loop See Question&Answers more detail:os...

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

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898 views

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r - Calculate rank with ties based on more than one variable

I'm trying to compute a medal table for a sports event. My data looks like this: test <- data.frame("ID" = c ... "min")]; setorder(test, rank)) See Question&Answers more detail:os...

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

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826 views

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r - combine results from a loop in one file

I create a loop like this one: for (p in 1:nrow(outcomes)) { id <- apply(regulationtable, 1, function(i) ... . Can anyone help me with 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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857 views

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r exams - How to display points per exercise when printing to pdf via `exams2pdf`?

Consider creating exams using the exams package in R. When using exams2nops there is a parameter showpoints ... exercise when using exams2pdf? 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 - shiny: How to update a reactiveValues object?

I have a pair of auxiliary inputs that allows user to choose combinations from a set of choices. Also, ... ') 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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r - Find sustained peaks using pracma::findpeaks

How can I use findpeaks to look for a sustained peak across 3 consecutive time intervals? I am using this to ... Any advice is appreciated. Lou See Question&Answers more detail:os...

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

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808 views

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r - Subset dataframe based on number of observations in each column

I have one problem would you like to give me a hand. I tried to come up with solution, but I do not ... that can generalize to more columns. See Question&Answers more detail:os...

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

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1.6k views

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r - How to convert an html sjtable from the sjPlot package to latex

The sjPlot package (http://www.strengejacke.de/sjPlot) has the tab_model() function to create beautiful html tables for ... pile up a 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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992 views

1 answer

r - ggplot2 change colours how

I want to do a ggplot2 scatter plot scores <- data.frame( SampleID = rep(LETTERS[1:3], 5), PC1 = ... not gradient colours OR different symbols? See Question&Answers more detail:os...

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

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1.1k views

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r - Why can't I use double colon operator with dplyr when the dataset is in sparklyr?

A reproducible example (adapted from @forestfanjoe's answer): library(dplyr) library(sparklyr) sc <- spark_connect(master ... ... with more rows See Question&Answers more detail:os...

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

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