Please have a look at the reprex at the end of the post. For various reasons, I am transitioning from %>% to the native pipe. I struggle a bit sometimes and I need some comments on a couple of functions.…
I'm learning how to use shinyproxy to deploy R shiny applications but I can't figure out where to place my .Renviron file which contains global variables used to access a database. The docker image builds without any errors but when…
Trying to plot a histogram in R 4.2.0, the fonts are not shown properly Searching online couldn't find anything useful. Any hint, what is missing? > sessionInfo() R version 4.2.0 (2022-04-22) Platform: x86_64-conda-linux-gnu (64-bit) Running under: Ubuntu 20.04.3 LTS Matrix…
I crawled some Tweets with R using the Twitter API. Now I am looking at the data and some of the Tweets have either a Tweet_id or user_id looking like this 5.03453238356772e-223. This doesn't allow me to look for the…
on my machine debian 9 (stretch), i have installed R4.2.0 from source. i have problem to install nloptr 2.0.0 using syntax: if (!require("nloptr", quietly = TRUE)) BiocManager::install("nloptr") the error i get is: /opt/R/4.2.0/lib/R/etc/Makeconf:177: recipe for target 'test-C-API.o' failed make: ***…
I am working with data from the Twitter API and wherever users had included Emojis in their name field, they have been translated to Unicode string representations in my dataframe. The structure of my data is somewhat like this: user_profiles…
Summary I am currently building a docker image with RStudio that is based on a previous version of R. When I installed R libraries in that image and tried to access those libraries with another, prebuilt docker image I received…
I am struggling to install a public R package (140MB) during the docker image build with a rocker/TidyVerse base image. I'm able to build the image on a fast internet connection (200Mbps) but struggling on 4Mbps #11 687.2 The downloaded…
Please consider the snippet below. It plots a set of spheres connected by some segments. The function to draw the smooth spheres comes from the discussion at How to increase smoothness of spheres3d in rgl What puzzles me is the…
I am trying to install factoextra, but I gets stuck during the CMake part, in particular with error like: CMake Error: The source directory "/tmp/..." does not exist. (same when I try to install its dependencies: nloptr, pbkrtest, lme4, car,…