Please have a look at the reprex at the end of the post. I need to read a column as a string, perform several manipulations and then save convert it to a numerical column. The blanks ("") in the string…
I'm trying to make a call from within R to execute BASH commands, to get my feet wet: I wanted to simply capture a listing of my current files located in a specific directory through use of the "ls -al"…
I am at the last straw with trying to get a local json file into my Firestore database. No matter how I format my data, I get some sort of error. I even took the example right from the google…
I have read-only access to a Postgres database. I can not write to the database. Q. Is there a way to construct and run a SQL query where I join a data frame (or other R object) to a table…
Dear Stackflow Community, I'm trying to install the R "curl" package from source using a specialized R CMD INSTALL script on Debian 11 x86_64 machine. The source package downloads and build fine but when the linker tries to link libcurl…
I would like to create a new column for words used for grep. I have a data frame and a list of keywords to identify whether my data frame includes such list of keywords or not. If keywords are included…
I have a large dataset of URLs that I query in AWS Athena (using PrestoDB). PrestoDB has built-in functions to extract the host of the URL. I would now like to split the host further into subdomain, domain and top-level…
Am getting an error trying to install redux r package on centos7, and have no idea how to fix it. Has anybody come across it before? my Dockerfile is: FROM centos:centos7 RUN yum -y install wget git tar RUN yum…
When I tried to install r package "osmdata" (or any other package) with command install.packages("osmdata") it failed with error "GLIBCXX_3.4.29' not found (required by /home...R/x86_64-unknown-linux-gnu-library/4.2/00LOCK-osmdata/00new/osmdata/libs/osmdata.so) host system is debian, r is installed using package manager Guix.
library(ggplot2) dfr1 <- data.frame(x=c(1,2),y=c(1,2)) dfr2 <- data.frame(x=1,xend=2,y=1,yend=2) ggplot()+ geom_point(data=dfr1,aes(x,y),size=6)+ geom_segment(data=dfr2,aes(x=xend,y=yend,xend=x,yend=y), color="red",arrow = arrow(length=unit(0.10,"cm"), ends="first", type = "closed"))+ coord_fixed()+ theme_minimal() I would like to add some padding/gap to the start and end of the segment so that they do not overlap…