I need to merge three separate DFs ("factors_sed", "resp", and "npoc_sed") based on the shared column "Samples". Each DF contains a different number of rows (s
I've got a table like this: country continent date n_case Ex TD TC -----------------------------------------------------
I'm a bit confused. A matrix A has 8 eigenvalues, some of them are complex, some are real. I want to copy only the eigenvectors that correspond to the real eige
Here is my sample data mydata = data.frame (student =c("A","A","A","A","A","A","A","A","A", "A","A","A","A","A","A","A","B","B","B","B","B","B","B","B","B","B",
I am new to R. Currently I have spent hours on Youtube videos looking to import a folder of CSV files for my data analytics project. The following are my codes:
I like to plot all my 5 spatial maps of drought indices in a single window using sf plot function in R. I am able to plot all maps seperately but unable to plot
I have recently started using the facet_nested function from the ggh4x package and I really like the look of the nested axis. I would like to annotate the plot
I am trying to learn how to use Mapbox Studio, but I can't figure out how to upload GeoJSON files that I export from R's sf package using the st_write() functio
I have a dataframe: n <- 50 df <- data.frame(id = seq (1:n), age = sample(c(20:90), n, rep = TRUE), s
I built a model, using plm package. The sample dataset is here. I am trying to predict on test data and calculate metrics. # Import package library(plm) library
I have a list: x <- c("1", "2", "2", "3", "3", "3", "2", "2", "3", "3", "3","2", "2", "2", "2") What I need to do is make them shortened like this. 1 2 3 2
I'm currently working on an university research related software which uses statistical models in it in order to process some calculations around Item Response
I have the following two datasets: df1 <- data.frame( "group" = c(1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5), "numbers" = c(55, 75, 60, 55, 75, 60, 5
I've got a database with free text fields that I want to use to filter a data.frame or tibble. I could perhaps with lots of work create a list of all possible m
The following code generates data files where each row has a different number of columns. The option fill=TRUE appears to work only when a certain character lim
I've been facing in R the error message for days using getSymbols of the quantmod package: Error in new.session() : Could not establish session after 5 attempts
I'm a college student and we have to create some graphs using Rstudio for an assignment. I've managed to do the core objective for this first task, which is to
I have this dummy data as example: library(ggplot2) library(gganimate) dummy <- data.frame(year = 2000:2022, inside = rnorm(23),
I have a raster, and want to only retain the sea part of the raster, and remove the land part or the raster. If my raster is "ras" and my SpatialpolygonDataFRam
I am hoping to create a custom-styled example environment within r markdown that renders pdf output. I want something that looks like this or like this, but I s