Category "r"

R and Rstudio on Apple silicon

has anyone got some info about future roadmap for R and Rstudio in order to support new ARM architecture? I know that probably we should rely on rosetta2 but I'

Coalesce columns and create another column to specify source

I'm using dplyr::coalesce() to combine several columns into one. Originally, across columns, each row has only one column with actual value while the other colu

R Dataframe By Group Calculation

I have a dataframe like below (the real data has many more people and club): Year Player Club 2005 Phelan Chicago Fire 2007 Phelan Boston Pant 2

Getting Visual Studio Code to (auto-)format R-Code

Working on Windows 10, no Formatter for the R-Language seems to do its job in Visual Studio Code. I've tried R support for Visual Studio Code and R-Tools, which

Automating conditional logic for database data checks in R

I am trying to do a large data check for a database. Some fields in the database are hidden, so when I am doing the datacheck, I need to ignore all hidden field

Error: cannot allocate vector of size X Gb Rstudio

Never had this problem before but now it's constantly there for any piece of code I write. > sessionInfo() R version 4.0.2 (2020-06-22) Platform: x86_64-w64-

R: Display "popup" information when mouse hovers over (graph) visnetwork

I simulated some data and created a graph network in R using visnetwork: library(igraph) library(dplyr) library(visNetwork) #create file from which to sample f

RStudio install packages from Azure DevOps

I'm creating some internal packages with R in RStudio. My repositories are hosted in Azure DevOps. I saw the renv.lock and there is a section for repositories.

How to left_join() two datasets but only select specific columns from one of the datasets?

Here are two datasets: (this is fake data) library(tidyverse) myfruit <- tibble(fruit_name = c("apple", "pear", "banana", "cherry"), number

spatial panel regression in R: non conformable spatial weights?

I am trying to run a spatial panel regression in R with the splm package. So I have polygons with summarized data over time and I want to see how the dependent

clustering standard errors within MLMs/lme4

Is it possible to use both cluster standard errors and multilevel models together and how does one implement this in R? In my set up I am running a conjoint exp

mapview and plot show different output for the same rasterLayer, why?

Below is the rasterLayer RASTER_slope in a plot (4 NAs are shown in white): Here is the metadata of RASTER_slope class : RasterLayer dimensions : 4, 4, 1

stargazer2 - automatically return odds ratio

I am doing a logistic regression and was recommended the stargazer2 function instead of stargazer function since it would automatically convert log odds to odds

Using purrr::possibly to catch dynamic error messages

I've written a custom function that does a number of checks and throws a different error when a check fails. Below is a simple example function that takes a dat

How to make data frame into raster object R

I have a data frame with one column of values. How do I make this into a raster image with the following parameters? I would also like to save it as a .tif rast

Create a vector using rep() and seq()

How to create a vector sequence of: 2 3 4 5 6 7 8 3 4 5 6 7 8 4 5 6 7 8 5 6 7 8 6 7 8 7 8 I tried to use: 2:8+rep(0:6,each=6) but the result is: 2 3 4 5

How to look at differences between 2 columns in R

I just need to write some code that will look at the difference between the "est_age" and "known_age" columns in my data set. Then I need to know what percenta

max.col with the value not the index

If I have a matrix: mod_xgb_softprob$pred[1:3,1:3] [,1] [,2] [,3] [1,] 6.781361e-04 6.781361e-04 6.781422e-04 [2,] 2.022457e-07 2.

quarto rmarkdown code block to only display certain lines

I have a .qmd / .rmd file that wants to show the output of block of code. The code block has a lot of lines at the beginning that I'd like to hide, in the examp

In dplyr using str_detect and case_when in R

This is my df: mydf <- structure(list(Action = c("Passes accurate", "Passes accurate", "Passes accurate", "Passes accurate", "Lost balls", "Lost balls (in o