Category "r"

Simulating random numbers in R using a certain condition

I would like to simulate 100 random numbers from N(0,1) in such a manner that the i-th number generated is always greater than the (i-1)-th number. I've tried u

Is this a panel data set (multiple individuals and two variables from different points of time)?

I have a dataset with multiple individuals and two variables from different points of time, for example: Company Employees at t=1 (before a specific event) Rev

Import multiple Excel files with names in R as a list

Consider I have two Excel files in my subdirectionary: .../Myfolder/File1.xlsx .../Myfolder/File2.xlsx I know that I can read them into R as a list using the f

Statistical difference between linear regressions

I have a statistical question on which I am stuck: Imagine you have 5 corn fields. You know the number of corn plant there is in each fields. You know want to c

Kable table: how to keep duplicate rownames, add arrows to indicate effect direction and add values to the pack_rows header row

I am trying to format an ANOVA style output for my paper using kableExtra. I want to make it automatic to avoid mistakes. I need to glue together several ANOVA

Is it possible to create a stratified table (tbl_strata) using tbl_svysummary()?

I am pretty new to survey data and gtsumarry package. I'm trying to create a stratified table from the survey data using the following code, and I get the error

NLP textEmbed function

I am trying to run the textEmbed function in R. Set up needed: require(quanteda) require(quanteda.textstats) require(udpipe) require(reticulate) #udpi

Multiply without eliminate information

I have a dataframe and I would like to maintain information. My data frame is like: a <- c("a","b", "c", "d") b <- c("e","f", "g", "h") c <- c(1, 2, 1,

R shiny : display text as code on several lines

I would like to display some R code on my shiny app. Therefore, I used verbatimTextOutput but I can't find a way to break lines and to display paragraphs of cod

Summing NAs in each row in a new column

for (i in 1:nrow(survey_clean)) { for(j in 1:ncol(survey_clean)) { survey_clean$invalid_answers[i] <- sum(survey_clean$old_col == survey_clean$ol

why a specific model is not appropriate, given a data with 6 variables (they are chr variables)

i want to show why a specific model is not appropriate, given a data with 6 variables (they are chr variables) the model is y= abc*(x1+x2) a and b from the data

Copy a Shiny DT cell to users clipboard

Based on this question: I want to select a row in a shiny datatable and want to copy the content of a specific cell to the clipboard. What I've got so far: libr

Using jupyter R kernel with visual studio code

For python jupyter notebooks I am currently using VSCode python extension. However I cannot find any way to use alternative kernels. I am interested in jupyter

A better way to write dplyr pipes? (without using dollar sign) [closed]

Quite often when using the tidyverse to manipulate data, I come up with a situation like the one below. Can someone explain why option 3 works

Muliple table captions in DT in R

I'm following the example from here: https://rstudio.github.io/DT/ I can get a caption above the table with: library(DT) datatable( head(iris), caption =

ifelse is giving me NAs when I want 0s

I am trying to create a variable using ifelse, and would like the column to be 0 when the condition is not true, but they are showing up as NA. Any tips? df$z &

par('usr') equivalent command for grid?

When grid package is used to plot a figure, I want to find out something similar to par('usr') as in base R graphics. What command can do it? https://r-graph-ga

Reactive bar chart in shiny R

I am trying build a reactive bar chart in shiny app. I have a small table named stats Team wins loss draws Arsenal 533 120 256 Chelsea 489 20

How can I switch values between columns for specific rows?

I was building my data set for some accounting work and accidentally made a mistake. I'd like to switch every instance of a Credit (column journalItemLine_credi

possible to implement two sequential flyTo in leaflet R

I would like to create a Leaflet Map which renders at a default location, at a zoom level of 4, and then when the user clicks the go button, pans from location