Category "r"

data column not recognized in the ggplot geom_hline

I was wondering why variable mean_y is not recognized by my geom_hline(yintercept = unique(mean_y)) call? library(tidyverse) set.seed(20) n_groups <- 2 n_in

How to make default of parent function run if not specified in a wrapper function

I am writing a wrapper function where I am linking multiple steps of a pipeline. I would like to make it so the user can input multiple options where the value

Apply linear stretch to Landsat 8 images in the tmap R package

I have a Landsat 8 dataset downloaded from the USGS. I import into R using the following code: library(raster) library(tmap) B1 <- raster("LC08_L2SP_166072_

Summarising movements of individuals spread over several rows

I am a newly self-taught user of R and require assistance. I am working with a dataset that has captured location of residence and whether the locality is metro

How to group by data in one column into multiple columns keeping rows

Identifier Value 511016 75.72911 511016 79.01783 511016 74.87570 511029 72.75873 511029 74.41798 511029 78.56112 The dataset consists of two columns (as above

Having trouble getting a curl command to work in R

I have a working curl command: curl -d '{"query":"query {\n accountBalances (first: 5) {\n nodes {\n id\n accountId\n

Retrieving the values from the paramHankel.scaled() function (mixComp package)

paramHankel.scaled() is a function in mixComp package to be used for determining the components of a finite mixed model. For example, the following piece of cod

indexing column name in the dataframe in r

> df A B C 1 1 2 3 2 4 5 6 3 7 8 9 This is an example from another stack over flow question. Actually, in my dataset, there are 301 columns. I wonder How

Build an Authenticated GET API in R

I can't figure out how to set up an API correctly. I have an example in Python and would like to understand how to reproduce it with R, how to correctly choose

Performance indices for unequal datasets in R

I wanted to do the performance indices in R. My data looks like this (example): enter image description here I want to ignore the comparison of values in Time 2

Removing rows based on column conditions

Suppose we have a data frame: Event <- c("A", "A", "A", "B", "B", "C" , "C", "C") Model <- c( 1, 2, 3, 1, 2, 1, 2, 3) df <- data.frame(Event, Model)

How to extract the largest polygon in a raster?

I can read a rastre and exrec polygones likes: If I have this code to read a raster and shapefile: library(raster) library(geojsonsf) library(sf) librar

Include extra bibliography in R Markdown

I am writing my dissertation using R Markdown (output: Word) and have my primary bibliography from which all citations are based. This renders with no issue: ya

Bar plots in dygraphs

I am trying to replicate the below graph to my dataset (df) dyBarChart <- function(dygraph) { dyPlotter(dygraph = dygraph, name = "BarChart",

Flask Unique SQLAlchemy with Flask-LImiter

I want to make a project with flask where you sign up and sign in and then you can make new posts. I use flask-limiter to prevent users from making new posts. A

How do i set a timeout for utils::download.file() in R

I'm trying to download a file that requires more than 60 seconds using download.file() function. The documentation mentions the timeout option e.g. The time

Group classification considering the state and date of data with other states in the middle in R

'''library(tidyverse)''' df=structure(list(ID = c(348L, 348L, 348L, 348L, 348L, 348L, 348L, 348L, 348L, 348L, 348L, 348L, 348L, 348L, 348L, 533L, 533L, 533L,53

pivot_wider does not keep all the variables

I would like to keep the variable cat (category) in the output of my function. However, I am not able to keep it. The idea is to apply a similar function to m &

calculate weighted average over several columns with NA

I have a data frame like this one: ID duration1 duration2 total_duration quantity1 quantity2 1 5 2 7 3 1

flatten a list of lists without recursive=FALSE

I have a list that contains some other lists, but also contains additional objects that aren't lists such as data frames. I want to flatten this to a single lis