Quantcast
Channel: Active questions tagged r - Stack Overflow
↧

Resampling Raster in Terra: Just resample, or aggregate before resampling?

I'm working with two rasters, both the same projection, but one is at a 4x higher resolution and with a different origin. I need to resample the high resolution raster to match the resolution of the...

View Article


Image may be NSFW.
Clik here to view.

How to give plotly both fill and colour aesthetics in a boxplot

Problem:I have a hierarchical set of data, where I want to generate a grouped boxplot. Colour by one variable and fill by another. This can easily be done in ggplot2 (example provided). But I am unable...

View Article


Get position index of second highest value by row for selected columns

Below is a reproducible example with a test dataframe:ts<-structure(list(OP = c(1, 3, 5), x = c(0.405595375690609, 0.256223899079487, 0.0131878938991576), y = c(0.792096293298528,...

View Article

Image may be NSFW.
Clik here to view.

Increase distance between x axis ticks with discrete data and facets

I have the following dataset:structure(list(x = c(75, 77, 84, 73, 62, 74, 55, 20, 73, 89, 36, 49, 72, 92, 54, 76, 40, 40, 46, 85, 19, 25, 75, 16, 84, 58, 85, 26, 87, 20, 39, 61, 88, 89, 81, 73, 60, 87,...

View Article

what happened when `separate_wider_regex` in multiple match

I tested the following script, but it displays an error, what happened?I jut want save Y & 33 & N & A (Y33@N(A)) into four separate columns.library('tidyverse')tta <-...

View Article


Create Unevaluated Calls with Tidyverse Defusing Operators

Assume I have the following data structure:library(dplyr)d <- tibble(x = paste0("x", 1:3), op = c("f", "g", "h"), y = paste0("y", 1:3), res = paste0("z", 1:3))I want to create a new column cmd which...

View Article

Unexpected output of dplyr::top_n

This is the expected output of dplyr::top_n !!To select Top 2> mtcars %>% dplyr::arrange(desc(mpg)) %>% dplyr::top_n(2, mpg) mpg cyl disp hp drat wt qsec vs am gear carbToyota Corolla 33.9 4...

View Article

renv doesn't persist between RStudio sessions [closed]

I have an RStudio project that uses renv. I recently upgraded my core R version, and had to reinstall the packages from the original lockfile. Now each time I open the project I get this message:Using...

View Article


Is there a way to use NTv2 data to enhance accuracy when transforming spatial...

I have large-scale airborne laser scanning data (*.laz format) which I need to transform from Gauss-Kruger (EPSG 31468) to UTM (EPSG 25832) reference systems. As I want to have the best possible...

View Article


How to create a list whose name depends on loop index in a for loop in R?

I would like to create several lists within a for loop and each list should include the loop index in its name. I need to do it because otherwise the list object is apparently too big (>20GB)...

View Article

"incomplete final line found by readTableHeader" when using read.delim() on a...

I got this "incomplete final line found by readTableHeader" error message when using read.delim() to read in a tab-delimited text file. There are Traditional Chinese characters in the header and...

View Article

Markdown table to data frame in R

There are numerous ways to convert a data frame into a Markdown table.But how does one convert back to a dataframe, given a Markdown tableGiven a table of a form:Table Header | Second...

View Article

Image may be NSFW.
Clik here to view.

How do I hide the spinner of shinycssloaders::withSpinner after I have used...

I have a website with a non-constant amount of plots that I show/hide using shinyjs. I also want to have a spinner on the (visible) plots.Here is what I have created:library(shiny)library(ggplot2)ui...

View Article


how to make lines between stack bar charts?

I have trouble making line between two paired stacked boxplot. Im comparing pre ->post cellular composition change, though hard to draw line between the plots. shown below is my current script. I...

View Article

Write mutliple mathematical symbols via bquote in R

I am having trouble placing more than one mathematical symbol via bquote in the scale_color_manual call of ggplot. As an example, I am trying to create a legend that has pvalues labeled and described...

View Article


Image may be NSFW.
Clik here to view.

Creating ggplot2 map with overlapping features and configuring legend

I am creating a series of species range maps. In some cases, there will be overlapping features for species that occur in different seasons. So far, the best way I have found to represent this is with...

View Article

Better methods to identify and swap two values within a variable [closed]

I'm looking for a more efficient way to swap two values within a variable. In the dataframe, each respondent has a unique id.set.seed(1234)test <- data.frame( id = sample(1:10), value = 21:30)test...

View Article


Error in "across( )" when summing multiple columns in R

Using the following data:Distance <- data.frame( DAY = c("1", "2","3"),TEMP = c(25, 27, 26.5),C1Dist01 = c(1, 1, 1),C2Dist01 = c(1, 1, 0),C3Dist01 = c(1, 0,0),C4Dist01 = c(1, 0, 0))I am trying to...

View Article

Can you please tell me how I get this value extraction in R to work? [closed]

I'm trying to extract sea ice concentration values for a points shapefile in R. I have a geotiff saved in a polar stereographic projection (geotiff from NSIDC). Apparently the geotiff reprojection to...

View Article

Enabling Autocompletion and Help in Restricted R Environments for Exams under...

This question builds on a previous solution where a method was requested to restrict R functions for use in an exam: Restrict R functions for an exam.The accepted solution works very well. However, I...

View Article

Why won't my code produce a graph in R Markdown?

Relatively new R user here, so apologies if this is a silly question!I'm currently producing some bar charts for a uni assignment, using ggplot. I know the code is correct, as I've been able to produce...

View Article


Image may be NSFW.
Clik here to view.

Using ISO 8601 compatible LC_TIME throws error when starting R

I have Plasma desktop (Fedora 41 KDE spin) and have set en_SE.UTF8 in the settings for time format in order to have ISO 8601 dates and times.This is the output of locale:➜ localelocale: Cannot set...

View Article


Image may be NSFW.
Clik here to view.

How to add density plots for x and z axes in a tensor smooth plot?

I created this plot using tensor smooths..I would like to add a visualization of the data density along the x-axis and z-axis. Ideally, this could be done with either:A rug plot on the respective axes,...

View Article

How to accept accented characters in imported shapefile using terra?

I am importing some shapefiles that have bilingual (English/French) province and territory names, which include some accented characters. I want to keep these accented characters, but they are...

View Article

Adding 1 to the last and second last numbers in my data

I have the following data to which I am trying to as 1 to the last section of numbers split by a -. My data is as follows;dat"4-3" "60-0 2-5" "10-1 3-2" "20-2 3-0" "3-0" "20-5 3-0"What I am trying to...

View Article


Create a conditionnal variable with existing and non-existing data

Attached data :id = c (1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2)vm = c("1", "2", "3", "4", "5", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20",...

View Article

Avoiding NAs in the output of dplyr

I have tried the following to turn my DATA into my Desired_output (reproducible code below). But as you can see, I get a bunch of NA in my output.Is there a way to obtain my...

View Article

Replace multiple string values in dataframe with alternative strings

I have a large dataframe df1 with string values in multiple columns:df1 <- data.frame(col1 = rep(c("A", "B", "C"),3), col2 = rep(c("C", "A", "B"),3), col3 = 1:9) col1 col2 col31 A C 12 B A 23 C B 34...

View Article

No longer able to set up an rsDriver using Rselenium

It's been a few months since I used rSelenium but now what used to work doesn't. I updated both java and the rselenium package thinking that must be it.Here's my...

View Article



Image may be NSFW.
Clik here to view.

R: how to split strings into three columns using tidyr

Here is how one column in my data looks like:dat <- data.frame(A = c("M24656811 M24677722 GREEN,SMITH34/M/B", "M24654999 DOE,JANE V37/F/W", "M24333107 DOE,JOHN24/M/B"))I'd like to split column A...

View Article


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>