Category "r"

RMarkdown: Error in dir.exists(x) : file name conversion problem -- name too long?

I am working on serial reports with RMarkdown. Since the latest R Update to 4.2.0 I get the error: Error in dir.exists(x) : file name conversion problem -- name

Calculating the difference of all variables to all other variables

Suppose my Dataframe look like: w <- sample(-10:10, size =10) x <- sample(-10:10, size =10) y <- sample(-10:10, size =10) z <- sample(-10:10, size =

Split a fasta file into desired nucelotide length but in a sliding window format

Stuck at a R problem. I have a random fasta file: > header AGTCAGTCAGTC My desired output is: segment1 AGTC segment2 GTCA segment3 TCAG segment4 CA

Count number of rows matching >1 criteria

I have a dataframe with two columns, as follows: A<-c(4,4,4,3,2,4,1) B<-c(4,4,2,31,3,1,1) data<-data.frame(A,B) I know I can use grep() to search for

German keyword search - look for every possible combination

I'm working on a project where I define some nouns like Haus, Boot, Kampf, ... and what to detect every version (singular/plurar) and every combination of these

How to create plot with both vertical and horizontal spikelines in plotly?

Plotly offers the option to display a moveable horizontal or vertical "spikeline" by adding layout(hovermode = "x unified") or layout(hovermode = "y unified") (

reshape dataframe from wide to long in R

I have a dataframe including around 300 columns. These columns are grouped. Here is the example: id name fixed_2020 fixed_2019 fixed_2018 fixed_2017 fixed_2016

Errors installing rgdal MacOS - still

There have been many posts regarding problems installing the rgdal package. I've been through lots of them, have tried many of the recommended solutions, but s

How to plot multiple 1 dimensional scatter plot in R based on occurences of a specific value at a specific point of x-axis

I have these datas that determines how absence rate affect student's grade in 3 different years, im trying to plot a one dimensional scatter plot with the three

map function based on a column value of dataframes stored in a list

I am trying to use the map function to do something complex - I'd like to use the values of the Result column per each dataframe I have in a list ( these are m

Match text from one column with another column (vlookup + like)

I'm trying to perform a match of 2 columns but without success. I have one DF1 with 2 columns, Id and JSON. In the second DF2, I have one column with a pattern

Image not rendering in Shiny Server in docker

Background I'm using another docker image and installing Shiny Server via commands in the dockerfile. The images are in a subdirectory named "www" in the app.R

Remove a pattern from a character

I have a character like this: x = "abc [File: abcbdosln}} \n abc \n" And I want to remove File: abcbdosln}} \n from x so that the result would be "abc [ abc \n"

Flagging continuous observations and creating enrolment spans

I have a few large enrolment datasets and I'm trying to create two things: I'd like to flag each uninterrupted monthly observation (final_df1) I'd like to creat

Is it possible to disable the RStudio connections pane?

I wonder if we can disable the RStudio Connection Pane altogether? What I tried so far: untick Connection in Tools / Global Options / Pane Layout / upper right

R: Tetrachoric correlation for multiple variables at one go?

You can see I'm a beginner at this when I'm not even able to reproduce my problem with a dummy dataset... Anyways, here goes: I want to calculate tetrachoric co

R: Tetrachoric correlation for multiple variables at one go?

You can see I'm a beginner at this when I'm not even able to reproduce my problem with a dummy dataset... Anyways, here goes: I want to calculate tetrachoric co

scraping with rvest with different number of rows in r

https://www.transfermarkt.de/alexander-bade/profil/spieler/31 Is it possible to scrape the whole table in one scrape?

R studio: error message when I was trying to intall a package

I'm very new to R studio. Was trying to do my assignment, that need to install a package. But when I was doing so, an error message came out Here is the whole t

How to show labels inside a chart with R-plot?

I have the following chart in R: n = 1:50 f = log2(n) g = n h = n*log2(n) k = n^2 z = 2^n w = factorial(n) plot(n, f, ylim=c(0,200), t='l', col=3) lines(n, g, t