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
I was trying to plot the max values from a dataset with x-axis = Date and the y-axis = max_value grouped by Stations, like the picture I found on this link, but
I bring you a problem in which I have found myself when doing a job. I need to perform a 'drilldown' that contains around 100 columns and I am running into an e
I'm trying to wrangle a json file into a data frame but I'm having trouble when unnesting to a wider format because the columns contain lists of unequal sizes.
I'm trying to find an easy, up-to-date way to plot transition matrices. Could someone please recommend a method or package? I found advice on Stack, but the pos
I want to find an algorithm to generate ticks in a power scale in a human-friendly way. For example, if the power is 1/2, between the range of [0, 100], without
I have a simple features panel data with the murders in the 32 Mexican states through 24 years. I want to create an index taking as a base the first year in my
I have .nc file sizing around 651 MB with a couple of datasets (daily) (rr_mrg_19810101_20181231_ENACT.nc) data. I need to convert (rr_mrg_19810101_20181231_EN
I have a dataframe with two columns, zip and CSZip. I am trying to apply a function to each row using: dist <- apply(vf, 1, zip_distance(zip, CSZip, lonlat =
I am trying to add a row index column to a reactive data frame created on-the-fly from user inputs. I am able to do this outside of Shiny using the tibble::rowi
I have created a function that checks a string of CSV files for complete values and creates a table with these values. The function takes 2 arguments, the first
I am willing to make my Shiny App accessing the camera and take photos every 5 seconds in the background. I do not want to see the photos on t
I am trying to use the rgl package in R to plot unit vectors orthogonal to each cell in a quadmesh. I've used this page for a bit of guidance, and currently hav
I have created a .Rmd script where I try to read multiple external .Rmd scripts that includes a combination of R and SQL syntax. For this I tried to use: rmarkd
I want to use ggplot2 & geom_bar to change bar color based on 1 factor variable and bar pattern based on another factor variable. I can't figure out how to
Suppose I have the following lists of factor: factor_1 = c("A1", "A2", "A3") factor_2 = c("B1", "B2") factor_3 = c("C1", "C2", "C3", "C4") factor_4 = c("D1", "D